Chemical Reactions of Carboxylic Acids
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CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323793 \(X\) is sodium salt of an acid. When it is heated with soda lime gives ethane. The acid is

1 Ethanoic acid
2 Methanoic acid
3 Propanoic acid
4 Either (1) or (3)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323794 Which of the following compounds undergoes readily decarboxylation on warming?

1 \(\mathrm{PhCOCO}_{2} \mathrm{H}\)
2 \(\mathrm{PhCOCH}_{2} \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
3 \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
4 \(\mathrm{HO}_{2} \mathrm{CCH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323795 Which of the following reduces carboxylic acid directly to primary alcohols?

1 \(\mathrm{LiAIH}_{4}\)
2 \(\mathrm{Na}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 Lindlar's Catalyst
4 \(\mathrm{H}_{2}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323796 In the reaction,
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{COOH}}\xrightarrow{{{\text{LiAl}}{{\text{H}}_{\text{4}}}}}{\text{A}}\xrightarrow{{{\text{PC}}{{\text{l}}_{\text{5}}}}}{\text{B}}\xrightarrow{{{\text{alc}}{\text{.KOH}}}}{\text{C}}\)
The product \(\mathrm{C}\) is

1 Acetylene
2 Acetaldehyde
3 Ethylene
4 Chloroethane
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323793 \(X\) is sodium salt of an acid. When it is heated with soda lime gives ethane. The acid is

1 Ethanoic acid
2 Methanoic acid
3 Propanoic acid
4 Either (1) or (3)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323794 Which of the following compounds undergoes readily decarboxylation on warming?

1 \(\mathrm{PhCOCO}_{2} \mathrm{H}\)
2 \(\mathrm{PhCOCH}_{2} \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
3 \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
4 \(\mathrm{HO}_{2} \mathrm{CCH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323795 Which of the following reduces carboxylic acid directly to primary alcohols?

1 \(\mathrm{LiAIH}_{4}\)
2 \(\mathrm{Na}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 Lindlar's Catalyst
4 \(\mathrm{H}_{2}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323796 In the reaction,
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{COOH}}\xrightarrow{{{\text{LiAl}}{{\text{H}}_{\text{4}}}}}{\text{A}}\xrightarrow{{{\text{PC}}{{\text{l}}_{\text{5}}}}}{\text{B}}\xrightarrow{{{\text{alc}}{\text{.KOH}}}}{\text{C}}\)
The product \(\mathrm{C}\) is

1 Acetylene
2 Acetaldehyde
3 Ethylene
4 Chloroethane
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323793 \(X\) is sodium salt of an acid. When it is heated with soda lime gives ethane. The acid is

1 Ethanoic acid
2 Methanoic acid
3 Propanoic acid
4 Either (1) or (3)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323794 Which of the following compounds undergoes readily decarboxylation on warming?

1 \(\mathrm{PhCOCO}_{2} \mathrm{H}\)
2 \(\mathrm{PhCOCH}_{2} \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
3 \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
4 \(\mathrm{HO}_{2} \mathrm{CCH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323795 Which of the following reduces carboxylic acid directly to primary alcohols?

1 \(\mathrm{LiAIH}_{4}\)
2 \(\mathrm{Na}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 Lindlar's Catalyst
4 \(\mathrm{H}_{2}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323796 In the reaction,
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{COOH}}\xrightarrow{{{\text{LiAl}}{{\text{H}}_{\text{4}}}}}{\text{A}}\xrightarrow{{{\text{PC}}{{\text{l}}_{\text{5}}}}}{\text{B}}\xrightarrow{{{\text{alc}}{\text{.KOH}}}}{\text{C}}\)
The product \(\mathrm{C}\) is

1 Acetylene
2 Acetaldehyde
3 Ethylene
4 Chloroethane
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323793 \(X\) is sodium salt of an acid. When it is heated with soda lime gives ethane. The acid is

1 Ethanoic acid
2 Methanoic acid
3 Propanoic acid
4 Either (1) or (3)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323794 Which of the following compounds undergoes readily decarboxylation on warming?

1 \(\mathrm{PhCOCO}_{2} \mathrm{H}\)
2 \(\mathrm{PhCOCH}_{2} \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
3 \(\mathrm{PhCH}(\mathrm{OH}) \mathrm{CH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
4 \(\mathrm{HO}_{2} \mathrm{CCH}_{2} \mathrm{CO}_{2} \mathrm{H}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323795 Which of the following reduces carboxylic acid directly to primary alcohols?

1 \(\mathrm{LiAIH}_{4}\)
2 \(\mathrm{Na}+\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)
3 Lindlar's Catalyst
4 \(\mathrm{H}_{2}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323796 In the reaction,
\({\text{C}}{{\text{H}}_{\text{3}}}{\text{COOH}}\xrightarrow{{{\text{LiAl}}{{\text{H}}_{\text{4}}}}}{\text{A}}\xrightarrow{{{\text{PC}}{{\text{l}}_{\text{5}}}}}{\text{B}}\xrightarrow{{{\text{alc}}{\text{.KOH}}}}{\text{C}}\)
The product \(\mathrm{C}\) is

1 Acetylene
2 Acetaldehyde
3 Ethylene
4 Chloroethane