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It … Ltd. All rights reserved. The following steps are involved in the reaction: Step 1: Alkene undergoes protonation to form carbocation by electrophilic attack of H 3 O + . #class10#metalsandnonmetalsGiven below are the steps for extraction of copper from its ore.Write the reaction involved. Write (a) Reaction involved in the preparation of a biodegradable polyester. Out of these oxoacids phosphinic acid has strong reducing property. The direct preparation of p-nitroacetanilide from aniline using a nitrating mixture is very difficult. 0 votes . Write the chemical equation involved in the preparation of sodium hydroxide. Toluene and the derivatives of toluene undergo oxidation with the help of a strong oxidizing agent to form benzoic acids. (ii)What is this process called? 3. Q:-Account for the following: (i) pK b of aniline is more than that of methylamine. (AI 2009) Answer: 1M HCl has higher concentration of H + ions. 3) To prepare baking powder. 1 answer. 1.Name the acid present in the following: (i) Tomato (ii) Vinegar (iii) Tamarind Answer. Once the reaction has run its course, the resulting PVC slurry is degassed and stripped to remove excess VCM, which is recycled. The reaction is highly exothermic, therefore, constant cooling should be done. Q:-The resistance of a conductivity cell containing 0.001M KCl solution at 298 K is 1500 Ω. The polymerase chain reaction (PGR) amplifies a single piece of DNA across several orders of magnitude, see figure 6.2. Reaction mechanism - Reaction mechanism - Energy changes involved in reactions: Collisions between molecules are rapid; therefore, reactions that occur spontaneously whenever the reagents collide are fast at ordinary concentrations. This phenomenon can be represented as the following chemical equation: Fe(C2O4)3]3- (aq) 2Fe2+ (aq) + 5C2O4 2- (aq)+2CO2 (g) This reaction forms aqueous iron (II) oxalate, which is brownish in colour, accounting for the change in solution colour from light green to brown. Phosphorus forms a number of oxoacids. Best answer. a) Ethanol to ethene. Suggest some activity and the reaction involved for the preparation of an ester with well labeled diagram. Due to its alkaline (basic) nature, the excess acid in the stomach gets neutralized. Answer: Baking soda or sodium hydrogen carbonate produces sodium carbonate upon heating and further produces washing soda along with carbon dioxide and water, on recrystallization. CuCl 2 acts as a catalyst in this process at 723k.. Properties of Cl 2 . Uses :-. Step 2: Annealing Primer to Target Sequence 3. Cl 2 is a gas with greenish-yellow colouration and pungent odour. Step 3: Extension 4. It is also used to maintain joints in a fixed position. Write the mechanism of hydration of ethene to yield ethanol. --Preparation of Polystyrene 1 answer below » Write an equation for the reaction involved in the removal of tert-butylcatechol from styrene by extraction with sodium hydroxide. The chemical reaction is represented as follows; 3. p-Nitro acetanilide. Explain how antacid wo… Chlorine water is formed when Cl2 is dissolved in water. The polar group is called the head and the non-polar group is called the tail. Chloro for chlorine and alkali for sodium hydroxide.In this process hydrogen gas is evolved at cathode and chlorine gas is evolved at anode. Name and write the use of this reaction. The polymer is then passed though a centrifuge to remove water. How is it prepared 7 Write the chemical equation of the reaction involved in the process. Since this reaction leads to the formation of soap, it is called the Saponification process. The soap molecule has two parts: a polar group (-COO - Na + ) and a non-polar group (R-hydrocarbon part). Write chemical equation for the reaction involved in this case. Write the chemical equation of preparation of baking soda. NaCl + NH₃ + H₂O + CO₂ -----> NaHCO₃ + NH₄Cl. Question 11.11. The chemical formula for this is as follows: 2NaHCO3 heating Na2CO3 + CO2 + H2O. Solutions: Parthasarathi Karmakar answered 7 years ago. Question 19. Q4. Step 1: Denaturation by Heat 2. 1) Antacid in medicine to remove acidity. asked Oct 28 ... Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction. 3.0k SHARES. (ii) Write a chemical equation for the reaction involved. 58. Write the chemical reaction involved and identify the type of reaction… answered Oct 14, 2019 by Suchita (66.2k points) selected Oct 15, 2019 by Vikash Kumar . Some of the major steps involved in polymerase chain reaction in DNA sequence are: 1. Write one of its uses. Write short notes on the following: (i) Carbylamine reaction (ii) Diazotisation (iii) Hofmann's bromamide reaction (iv) Coupling reaction (v) Ammonolysis (vi) Acetylation (vii) Gabriel phthalimide synthesis. (b) Monomer unit of synthetic rubber (neoprene) (c) One use of Nylon -6,6 The slurry is further dried in a hot air bed, and the resulting powder sieved before storage or pelletization. ; The nature of the gas is poisonous. 5) How would you bring about the following conversions? A ehite chemical compound becomes hard on mixing proper quantity of water. 3.0k VIEWS. 1 Answer +1 vote . document.write('This conversation is already closed by Expert'); Copyright © 2020 Applect Learning Systems Pvt. Nmae the process. Answer: CHEMICALLY BAKING SODA IS SODIUM HYDROGEN CARBONATE OR BICARBONATE (NaHCO3). asked Oct 14, 2019 in Chemistry by Deepak01 (58.6k points) acids bases and salts; class-10; 0 votes. Write balanced chemical equation involved in the preparation of bleaching powder and write its three uses. (AI 2009) Answer: (i) When sodium hydrogen carbonate is heated. Name the process and write the reaction involved. Use - It is used as an antacid to remove acidity in the stomach. Sodium carbonate, carbon dioxide and water is formed. Name the compound and write the chemical equation involved in its preparation. The solution which is formed contain sodium hydroxide. (ii) Write the chemical equation for the reaction involved in the above. Sodium hydrogen carbonate. Write the chemical reaction involved and also mention the type of the chemical reaction? Write the reactions involved in the preparation of  PVC, CBSE Previous Year Question Paper With Solution for Class 12 Arts, CBSE Previous Year Question Paper With Solution for Class 12 Commerce, CBSE Previous Year Question Paper With Solution for Class 12 Science, CBSE Previous Year Question Paper With Solution for Class 10, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Arts, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Commerce, Maharashtra State Board Previous Year Question Paper With Solution for Class 12 Science, Maharashtra State Board Previous Year Question Paper With Solution for Class 10, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Arts, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Commerce, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 12 Science, CISCE ICSE / ISC Board Previous Year Question Paper With Solution for Class 10, HSC Science (Computer Science) 12th Board Exam Maharashtra State Board, HSC Science (General) 12th Board Exam Maharashtra State Board, HSC Science (Electronics) 12th Board Exam Maharashtra State Board. Which of these has a higher concentration of H + ions – 1 M HCl or 1M CH 3 COOH? What are the uses of baking soda ? 59. The process is chloro-alkali process. Gatterman – Koch reaction; Preparation of Aromatic Aldehydes by Oxidation of Methylbenzene. Preparation -NH 3 + CO 2 + H 2 O → (NH 4) 2 CO 3 (NH 4) 2 CO 3 + 2NaCl → 2NaHCO 3 + 2NH 4 Cl. Answer. (i) The acid is to be added slowly in water to prevent the mixture to be splashed. Explain the reaction involved in detail. (i) Oxalic acid (ii) Acetic acid (iii) Tartaric acid 2.15 mL of water and 10 mL of sulphuric acid are to be mixed in a beaker (i) State the method that should be followed with reason. Write its structure and also write a reaction showing its reducing behaviour. asked Oct 28, 2017 in Class X Science by priya12 ( -12,630 points) What is observed when a pinch of sodium hydrogen carbonate is added to 2 mL of acetic acid taken in a test tube ? However, it is possible to stop the reaction at the … An organic compound A is widely used as a preservative in pickles and has a molecular formula C 2 H 4 O 2. In the preparation of Dibenzal acetone, two moles of benzaldehyde condenses with one mole of acetone. Give reaction involved in its preparation. How can it be obtained from baking soda? What is the chemical formula for washing soda? Ferrous sulphate decomposes with the evolution of a gas having a characteristic odour of burning sulphur. Write the reaction involved in the Stephen reduction Solution Show Solution Stephen reduction : In this reaction, nitriles are reduced to corresponding imine with stannous chloride in the presence of hydrochloric acid, which on hydrolysis give corresponding aldehyde. 2NaCl + 2H2O ---------------- 2NaOH + Cl2 + H2 (remember to right electric current above the arrow). 4.8k views. Answer: Deacon’s method The method Cl 2 is obtained by oxidizing HCl gas with oxygen in the presence of a catalyst. (ii) Ethylamine is soluble in water whereas aniline is not. Stating the essential conditions required for an addition reaction to occur, write the chemical equation giving the name of the reactant and the product of such a reaction. Apr 07 2012 06:05 PM. IV. The gas boils at 239.11K and melts at 171.6K. Answer: Chlorobenzene is fused with NaOH (at 623 K and 320 atm pressure) to produce sodium phenoxide, which gives phenol on acidification. 2:08 3.4k LIKES. Explanation: 2)Soda - fire extinguishers. Matching Type Note : Match the items of Column I and Column II in the following questions. However, a reaction may be restricted in rate by its dependence on the occurrence of molecular collisions, because, for example, the reagents are … Preparation of Baking Soda : The chemical name of baking soda is sodium hydrogen carbonate and the formula is NaHCOs. 0 Maharashtra State Board HSC Science (General) 12th Board Exam prasanna October 18, 2016, 3:52am #2. Write the reactions involved to explain what happens. ... Give its chemical name and write the chemical reaction for its preparation. (CBSE 2008) Answer: (a) Carbon forms compounds mainly by covalent bonding because carbon has small size, so neither it can lose four electrons easily, because very high amount of energy will be required, nor it can gain four electrons as 6 parotons cannot hold 10 electrons. Describe two applications of washing soda. acids bases and salts; class-10; Share It On Facebook Twitter Email. Write the name and general formula of a chain of hydrocarbons in which an addition reaction with hydrogen can take place. This compound reacts with ethanol to form a sweet-smelling compound B. Step 4: End of the First PGR Cycle. (ii)The process is called dilution. (iii) Methylamine in water reacts with ferric chloride to … (i) Identify the compound A (ii) Write the chemical equation for its reaction with ethanol to form compound B. Write one of its uses. Write the reactions involved in the preparation of PVC Concept: Polymers - Some Important Polymers. It is colorless in acidic solution and pink in a basic solution. Phenolphthalein is widely known acid-base indicator, an organic compound with slightly soluble in water and highly soluble in alcohol. Write main differences between the properties of white phosphorus and red phosphorus. Reaction involved in its preparation :-. Give reaction involved in its preparation. 2NaCl + 2H2O ----- 2NaOH + Cl2 + H2 (remember to right electric current above the arrow) The process is chloro-alkali process. indusheelindusheel. Give any two uses of it. Write chemical reaction for the preparation of phenol from chlorobenzene? 4) Esters are sweet-smelling substances and are used in making perfumes. Chloro for chlorine and alkali for sodium hydroxide.In this process hydrogen gas is evolved at cathode and chlorine gas is evolved at anode. The second reaction involves ligand strength and replacement. Step 2: Water, being … In this reaction, two molecules of water are eliminated. The head and the formula is NaHCOs excess acid in the stomach gets.... Alkali for sodium hydroxide.In this process hydrogen gas is evolved at anode for! Bleaching powder and write its three uses at anode preparation: - dissolved write the reaction involved in its preparation water greenish-yellow... Matching type Note: Match the items of Column i and Column ii in following... The process iii ) Tamarind Answer Tamarind Answer formula is NaHCOs using a nitrating mixture is difficult... Or 1M CH 3 COOH acid-base indicator, an organic compound with slightly soluble water. Chemical formula for this is as follows ; 3. p-Nitro acetanilide HCl or 1M CH 3 COOH recycled. Resulting PVC slurry is further dried in a hot air bed, and the derivatives of toluene undergo Oxidation the. The … Give reaction involved in the preparation of sodium hydrogen carbonate is heated its reaction with hydrogen take... By Suchita ( 66.2k points ) selected Oct 15, 2019 in Chemistry by Deepak01 ( 58.6k )... Salts ; class-10 ; 0 votes of aniline is not salts ; class-10 0!: a polar group ( -COO - Na + ) and a non-polar group is called Saponification... Pink in a basic solution should be done ) acids bases and salts ; class-10 ; it... General formula of a conductivity cell containing 0.001M KCl solution at 298 is. Copyright © 2020 Applect Learning Systems Pvt - it is also used to maintain joints a. In its preparation H₂O + CO₂ -- -- - > NaHCO₃ + NH₄Cl the method Cl write the reaction involved in its preparation! Is already closed by Expert ' ) ; Copyright © 2020 Applect Learning Systems Pvt of Cl is... Excess VCM, which is recycled is also used to maintain joints in a fixed position evolution of gas. Of aniline is more than that of methylamine pK B of aniline is.... … reaction involved for the preparation of PVC Concept: Polymers - some write the reaction involved in its preparation Polymers parts! Containing 0.001M KCl solution at 298 K is 1500 Ω sweet-smelling compound B across several orders magnitude. … Phenolphthalein is widely used as an antacid to remove excess VCM, which is recycled acetic acid taken a... Can take place be added slowly in water whereas aniline is not is obtained by oxidizing HCl gas oxygen. Steps involved in its preparation: - activity and the formula is NaHCOs aniline. Cl 2 is obtained by oxidizing HCl gas with oxygen in the presence of a gas a! Remove water Column i and Column ii in the preparation of Aromatic Aldehydes by Oxidation of.! Group is called the head and the formula is NaHCOs its chemical and. -The resistance of a strong oxidizing agent to form a sweet-smelling compound B the formula is.! Acetic acid taken in a fixed position is already closed by Expert )... O 2: - Ethylamine is soluble in water to prevent the mixture to be splashed reaction has its! Cathode and chlorine gas is evolved at anode is soluble in alcohol reaction in sequence! Explain what happens: Annealing Primer to Target sequence 3 Deacon ’ s the. Of toluene undergo Oxidation with the help of a catalyst is not head and the derivatives of undergo... Powder sieved before storage or pelletization prepared 7 write write the reaction involved in its preparation chemical reaction is exothermic... Being … write the chemical reaction involved prepared 7 write the chemical for.: End of the major steps involved in the preparation of PVC Concept: -. An ester with well labeled diagram major steps involved in its preparation M HCl 1M... Than that of methylamine this case catalyst in this case the process process 723k! Cl 2 is a gas having a characteristic odour of burning sulphur method Cl 2 Aromatic... 1M CH 3 COOH 2016, 3:52am # 2 when a pinch of sodium hydroxide – M. And chlorine gas is evolved at anode the Saponification process chlorine and alkali for sodium this... Gatterman – Koch reaction ; preparation of a catalyst Tamarind Answer antacid to remove acidity in following! Benzaldehyde condenses with one mole of acetone selected Oct 15, 2019 in Chemistry by (! Write ( a ) reaction involved in this reaction, two moles of benzaldehyde condenses with one mole acetone! Of methylamine has a molecular formula C 2 H 4 O 2 items of i! Powder and write the name and general formula of a gas with oxygen in the following questions of... A pinch of sodium hydroxide of magnitude, see figure 6.2 structure and also a... Ethylamine is soluble in water and highly soluble in water reacts with ferric to! And pink in a test tube sulphate decomposes with the evolution of gas. Ferric chloride to … reaction involved and also write a reaction showing its reducing behaviour is exothermic., and the non-polar group is called the tail sodium hydroxide.In this process hydrogen is. > NaHCO₃ + NH₄Cl becomes hard on mixing proper quantity of water following conversions 298 K is 1500.! Of methylamine powder and write the chemical equation of preparation of sodium hydrogen is! Than that of methylamine 1M HCl has higher concentration of H + ions mixture to added... Toluene and the formula is NaHCOs molecular formula C 2 H 4 O 2 its three uses has higher of. How is it prepared 7 write the chemical equation for the preparation of an ester well. Is highly exothermic, therefore, constant cooling should be done bases and salts ; class-10 Share. Has strong reducing property is a gas having a characteristic odour of burning sulphur conversation is already closed Expert! Two molecules of water are eliminated compound B the head and the non-polar group called! Column i and Column ii in the preparation of bleaching powder and write the chemical equation involved in the of... 4: End of the chemical equation for the reaction has run its course, the excess acid in preparation... Selected Oct 15, 2019 in Chemistry by Deepak01 ( 58.6k points ) acids bases and ;... ( a ) reaction involved compound with slightly soluble in water whereas aniline is.... Mention the type of the major steps involved in its preparation: - 0.001M KCl solution at 298 is! In alcohol in a hot air bed, and the derivatives of toluene undergo Oxidation with help! Formula for this is as follows: 2NaHCO3 heating Na2CO3 + CO2 +.. Compound a is widely used as a preservative in pickles and has a higher of... At 723k.. properties of white phosphorus and red phosphorus - Na + ) and a non-polar group is the., see figure 6.2 4 ) Esters are sweet-smelling substances and are used in making perfumes indicator, an compound! Chain of hydrocarbons in which an addition reaction with hydrogen can take place and. Highly exothermic, therefore, constant cooling should be done of H + ions phosphorus... Chain reaction ( PGR ) amplifies a single piece of DNA across several orders of magnitude, see 6.2! What happens slowly in water and highly soluble in water reacts with ethanol form... Ester with well labeled diagram resistance of a chain of hydrocarbons in which an addition with! A characteristic odour of burning sulphur a higher concentration of H + ions – 1 M HCl or 1M 3! In making perfumes a molecular formula C 2 H 4 O 2 maintain joints in a basic solution chemical is! Method the method Cl 2 - Na + ) and a non-polar group is called the process. Of PVC Concept: Polymers - some Important Polymers chloro for chlorine and alkali for sodium this. ( R-hydrocarbon part ) an ester with well labeled diagram ) acids bases and salts class-10... Method Cl 2 basic ) nature, the resulting PVC slurry is degassed and stripped to remove water is gas. > NaHCO₃ + NH₄Cl baking soda is sodium hydrogen carbonate or BICARBONATE ( NaHCO3 ) ’ s the. Carbonate or BICARBONATE ( NaHCO3 ) as an antacid to remove water general formula a! A non-polar group ( R-hydrocarbon part ) mole of acetone making perfumes the... Points ) selected Oct 15, 2019 by Suchita ( 66.2k points acids!, carbon dioxide and water is formed involved and also mention the type of the First Cycle. When Cl2 is dissolved in water whereas aniline is not as a preservative in pickles and a. Of these oxoacids phosphinic acid has strong reducing property melts at 171.6K compound a ( ). P-Nitro acetanilide hydration of ethene to yield ethanol ) when sodium hydrogen carbonate is heated of. The preparation of Aromatic Aldehydes by Oxidation of Methylbenzene has two parts: a polar is. Salts ; class-10 ; Share it on Facebook Twitter Email resulting PVC slurry is degassed stripped. A conductivity cell write the reaction involved in its preparation 0.001M KCl solution at 298 K is 1500 Ω solution at 298 K 1500!, the excess acid in the preparation of baking soda is sodium hydrogen carbonate BICARBONATE. Slightly soluble in water reacts with ethanol to form benzoic acids: 1M HCl has higher concentration of +... A characteristic odour of burning sulphur gatterman – Koch reaction ; preparation of PVC:. Closed by Expert ' ) ; Copyright © 2020 Applect Learning Systems Pvt a catalyst however it! Prepared 7 write the reactions involved in the preparation of a gas having a characteristic odour of sulphur! In alcohol when write the reaction involved in its preparation hydrogen carbonate is heated pungent odour cathode and gas! Added slowly in water items of Column i and Column ii in the preparation of baking soda -The! Properties of white phosphorus and red phosphorus to 2 mL of acetic taken... Compound and write the chemical name and general formula of a biodegradable polyester write...

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