What happens when grignard reagent in the presence of dry ether reacts with CO 2 and then hydrolyses.

Grignard reagent reacts with carbon dioxide in the presence of dry ether to form carboxylate ion which on further hydrolysis forms carboxylic acid compound. The chemical equation for the reaction is: CH 3 MgI + CO 2 → dry ether CH 3 - COOMgI → H 2 O CH 3 COOH

Write the chemical equation for the reduction of acetaldehyde in the presence of amalgamated Zn and HCl

Acetaldehyde and ketones are reduced to respective alkanes by means of amalgamated zinc and hydrochloric acid. This reduction is known as clemmensen reduction. The equation for the chemical reaction is: CH 3 - CHO → HCl Zn - Hg C 2 H 6

Write the chemical equation for the reaction of sodium acetate with soda lime.

Sodium acetate reacts with soda lime which is also called as sodium hydroxide to form methane. The chemical equation for the reaction is: CH 3 COONa + NaOH → CH 4 + Na 2 CO 3

What happens when acetic acid reacts with PCl 5 ?

Acetic acid reacts with PCl 5 to form acetyl chloride and releases hydrochloric acid. The equation for the chemical reaction is: CH 3 COOH + PCl 5 → CH 3 COCl + POCl 3 + HCl

Write the reaction of NaOH and I 2 on acetone.

Iodoform reaction: When acetone or alcohol compounds are heated with iodine and sodium hydroxide, Iodoform is formed. The equation for the chemical reaction is: CH 3 COCH 3 + 4 NaOH + 3 I 2 → CHI 3 + CH 3 COONa + 3 NaI + 3 H 2 O

What happens when acetaldehyde is reacted with tollens reagent.

Tollens reagent is silver ammonia complex. It oxidises acetaldehyde to acetic acid and ammonia gas is evolved. Silver ions are reduced to silver metal. The equation for the chemical reaction is: CH 3 CHO + 2 Ag NH 3 2 + + H 2 O → 2 Ag + 4 NH 3 + CH 3 COOH + 2 H +

Write the reaction of ethyl alcohol on acetaldehyde in the presence of HCl gas.

Aldehydes react with one equivalent of monohydric alcohol in the presence of dry hydrogen chloride to produce alkoxy alcohol intermediate which is known as hemiacetal which further reacts with one more mole of alcohol to form acetal. In the same way, acetaldehyde reacts with two moles of ethyl alcohol to form acetal. The reaction is: CH 3 - CHO + 2 C 2 H 5 OH → dry HCl CH 3 - CH OC 2 H 5 2 + H 2 O

What happens when calcium acetate is dry distilled?

Dry distillation is defined as the process of heating of solid materials to produce gaseous products. It is used to obtain liquid fuels from coal and wood and is also used to break down minerals such as sulphates. Calcium acetate on dry distillation gives acetone as the product. The equation is: Ca CH 3 COO 2 → dry distillation CH 3 COCH 3 + CaCO 3

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 12 - Aldehydes, Ketones and Carboxylic Acids>Chattisgarh Board-2019>Q 8

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12th Chhattisgarh Board

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What is the IUPAC name of ${CH}_{3} {COCH}_{3}$

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