MCQs of Aldehydes, Ketones and Carboxylic Acids

Showing 151 to 160 out of 162 Questions

151.

Which of the following will not give benzoic acid on hydrolysis ?

152.

In which of the following reactions is hydrocarbon not formed ?

(a)	CH₃COCH₃ $\to_{conc . HCl}^{Zn \cdot Hg /}$
(b)	CH₃COOH $\to_{473 K}^{Red P / HI}$
(c)	CH₃ -CO -CH₃ $\to_{H_{2} O}^{{NaBH}_{4}}$
(d)	CH₃CHO $\to_{\begin{matrix} e t h y l e n e g l y c o l \\ 453 - 473 K \end{matrix}}^{N H_{2} - N H_{2} / K O H}$

153.

Column - I contains names of aldehydes/ketones and

Column - II contains their uses. match them properly

Column - I	Column - II
(i) Formaldehyde	(a) To remove nail polish.
(ii) Acetaldehyde	(b) In the manufacture of bakelite resin.
(iii) Benzaldehyde	(c) To give silver like shining to mirror.
(iv) Acetone	(d) In the manufacture of malachite green.

154.

Which substance from following gives Fehling's test ?

155.

Which of the following is formula of Tollens' reagent ?

156.

Which is the hybridization of C and O atom in aldehydes and ketones ?

157.

On oxidation which compound there is a decrease of one carbon atom in the product ?

158.

Which product is obtained on reaction of acetone with NH₂OH/ acid ?

159.

Acetophenone on reduction with which substance forms ethyl benzene ?

160.

Identify A and B in the reaction given below

{CH}_{3} CN \to_{H_{2} {SO}_{4 (aq)}}^{hydrolysis} A \overset{Sodalime / ∆}{\to} B

Showing 151 to 160 out of 162 Questions