Aldehyde and Ketone · Chemistry · KCET

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MCQ (Single Correct Answer)

1

Compounds P and R in the following reaction are

$$\mathrm{C{H_3}CHO\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{(ii)\,{H_3}{O^ + }}^{(i)\,C{H_3}MgBr}} P\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Heat}^{conc.\,{H_2}S{O_4}}} Q\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{\matrix{ {(i)\,{B_2}{H_6}} \cr {(ii)\,{H_2}{O_2}/O{H^ - }} \cr } }} R}$$

KCET 2023
2

The heating of phenyl methyl ether with HI produces an aromatic compound $$A$$ which on treatment with conc. $$\mathrm{HNO}_3$$ gives $$B$$. $$A$$ and $$B$$ respectively are

KCET 2023
3

The general name of the compound formed by the reaction between aldehyde and alcohol is

KCET 2022
4

The test to differentiate between pentan-2-one and pentan-3-one is

KCET 2022
5

An organic compound $$X$$ on treatment with PCC in dichloromethane gives the compound $$Y$$. Compound $$Y$$ reacts with $$\mathrm{I}_2$$ and alkali to form yellow precipitate of triiodomethane. The compound $$X$$ is

KCET 2021
6

KCET 2021 Chemistry - Aldehyde and Ketone Question 10 English

$$A, B$$ and $$C$$ respectively are

KCET 2021
7

$$\begin{aligned} & \mathrm{CH}_3 \mathrm{CHO} \xrightarrow[\text { (ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {(i) } \mathrm{CH}_3 \mathrm{MgBr}} A \xrightarrow[\Delta]{\text { Conc. } \mathrm{H}_2 \mathrm{SO}_4} \\ & B \xrightarrow[\text { (ii) } \mathrm{H}_2 \mathrm{O}, \mathrm{OH}^{-}]{\text {(i) } \mathrm{B}_2 \mathrm{H}_6} C \\ & \end{aligned}$$

$$A$$ and $$C$$ are

KCET 2021
8

Which is the most suitable reagent for the following conversion?

KCET 2021 Chemistry - Aldehyde and Ketone Question 8 English

KCET 2021
9

The product 'P' is

KCET 2020 Chemistry - Aldehyde and Ketone Question 7 English

KCET 2020
10

The carbonyl compound that does not undergo aldol condensation is

KCET 2020
11

KCET 2019 Chemistry - Aldehyde and Ketone Question 4 English

The reagents $$A, B$$ and $$C$$ respectively are

KCET 2019
12

Which is the most suitable reagent for the following conversion?

KCET 2019 Chemistry - Aldehyde and Ketone Question 5 English

KCET 2019
13
Which of the following compounds undergoes haloform reaction?
KCET 2018
14
The appropriate reagent for the following ransformation is KCET 2018 Chemistry - Aldehyde and Ketone Question 2 English
KCET 2018
15

In the following reaction,

KCET 2018 Chemistry - Aldehyde and Ketone Question 1 English
KCET 2018
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