MCQs of Aldehydes, Ketones and Carboxylic Acids

Aldehydes, Ketones and Carboxylic Acids MCQs

MCQs of Aldehydes, Ketones and Carboxylic Acids

Showing 111 to 120 out of 162 Questions

111.

Which of the following acid does not have - COOH group ?

(a)	Ethanoic acid
(b)	Benzoic acid
(c)	Picric acid
(d)	Salicylic acid

112.

In glutaric acid HOOC(CH₂)_nCOOH, n = _____ .

(a)	2
(b)	3
(c)	4
(d)	1

113.

In which of the following compounds, intermolecular H - bond is not possible ?

(a)	Acetic acid
(b)	Ethanol
(c)	Acetaldehyde
(d)	Ethoxyethane

114.

What is the correct order of acidic strength of (i) Ethanol, (ii) Phenol, (iii) Ethanoic acid and (iv) Sulphonic acid ?

(a)	(ii) < (i) < (iii) < (iv)
(b)	(iv) > (iii) > (ii) > (i)
(c)	(i) < (ii) = (iii) < (iv)
(d)	(iv) > (iii) < (ii) = (i)

115.

What is the nature of carboxy acids regarding acidic strength for which pK_a values lie between 5 and 15 ?

(a)	Very strong
(b)	Moderately strong
(c)	Weak
(d)	Very weak

116.

Select the descending order of acidic strength for the following carboxylic acids. (i) CH₃COOH, (ii) (CH₃)₂CHCOOH, (iii) (CH₃)₃C•COOH, (iv) CH₃CH₂COOH

(a)	(i) > (iv) > (ii) > (iii)
(b)	(i) > (ii) > (iii) > (iv)
(c)	(i) > (iv) < (ii) > (iii)
(d)	(iv) < (iii) > (ii) > (i)

117.

What is the correct order of relative strength for the following carboxylic acids ? (i) C₆H₅CH₂COOH, (ii) FCH₂COOH, (iii) ClCH₂COOH, (iv) Br•CH₂COOH (v) I CH₂COOH

(a)	(ii) > (iii) > (iv) > (v) > (i)
(b)	(i) > (ii) > (iii) > (iv) > (v)
(c)	(i) < (ii) < (iii) > (iv) > (v)
(d)	(i) > (v) > (iv) > (iii) > (ii)

118.

In which of the following reaction will ethanoic acid be not obtained ?

(a)	${CH}_{3} {CONH}_{2} \to_{∆}^{[H^{+}] or [{OH}^{-}]}$
(b)	${CH}_{3} - CH = CH - {CH}_{3} \to_{(i) dil . H_{2} {SO}_{4}}^{(i) \frac{{KMnO}_{4}}{KOH, ∆}}$
(c)	${({CH}_{3} CO)}_{2} O \overset{\frac{H_{2} O}{∆}}{\to}$
(d)	$C_{6} H_{5} {COOCH}_{3} \to_{(ii) H_{3} O^{+}}^{(i) NaOH}$

119.

{CH}_{3} COOH \to_{∆}^{sodalime} {CH}_{4} + {CO}_{2} . What is the above reaction called ?

(a)	Dehydration
(b)	Decarboxylation
(c)	Dehydrogenation
(d)	Dehalogenation

120.

What will be final product C in the following reaction ? {CH}_{3} COOH \overset{{SOCl}_{2}}{\to} A \overset{2 {NH}_{3}}{\to} B \overset{P_{4} O_{10}}{\to} C

(a)	CH₃OH
(b)	CH₃C ≡ N
(c)	CH₃COONH₄
(d)	CH₃CONH₂

Showing 111 to 120 out of 162 Questions