Q.7 The formation of ester from acetic acid in presence of acid and ethanol is a:
A) Nucleophilic substitution reaction C) Electrophilic substitution reaction
B) Nucleophilic addition reaction D) Electrophilic addition reaction
A) Nucleophilic substitution reaction C) Electrophilic substitution reaction
B) Nucleophilic addition reaction D) Electrophilic addition reaction
Q.8 Methyl cyanides, on boiling with mineral acids or alkalis yield:
| A) Acetic acid | C) Propanoic acid |
| B) Formic acid | D) Butanoic acid |
Q.10 Ethyl butyrate and butyl butanoate are esters with the flavor of
A) Pear C) Pineapple
B) Banana D) Apple
Q.11 Acetamide is formed by dehydration of
A) Oxalic acid C) Butanoic acid
B) Ethanoic acid D) Propanoic acid
A) Pear C) Pineapple
B) Banana D) Apple
Q.11 Acetamide is formed by dehydration of
A) Oxalic acid C) Butanoic acid
B) Ethanoic acid D) Propanoic acid
Q.13 ‘Ka’ values of few organic acids are given:
| Acid | Ka Value |
| CH3COOH | 1.85 x 10-5 |
| CCl3COOH | 2.3 x 10-2 |
| CHCl2COOH | 5.0 x 10-3 |
| CH2ClCOOH | 1.3 x 10-3 |
The order of acid strength is:
A) CCl3COOH > CHCl2COOH > CH2ClCOOH > CH3COOH
B) CH3COOH > CHCl2COOH > CCl3COOH > CH2ClCOOH
C) CHCl2COOH > CH3COOH > CCl3COOH > CH2ClCOOH
D) CCl3COOH > CH3COOH > CHCl2COOH > CH2ClCOOH