1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Match the reagents in List-I with products obtained from their carbonyl compounds in List-II.
List-IList-II
(a)$\text{NH}_2\text{OH}$(i)Cyanohydrin
(b)$R-\text{NH}_2$(ii)Oxime
(c)$R-\text{OH}$(iii)Schiff base
(d)$H-C \equiv N$(iv)Acetal
A
a-ii, b-iii, c-iv, d-i
B
a-i, b-ii, c-iii, d-iv
C
a-iii, b-ii, c-i, d-iv
D
a-i, b-iii, c-ii, d-iv
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Oxidation of Toluene with chromyl chloride followed by hydrolysis gives Benzaldehyde. This reaction is known as ____________

A
Etard Reaction
B
Kolbe reaction
C
Stephen reaction
D
Cannizzaro Reaction
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Arrange the following compounds in their decreasing order of reactivity towards Nucleop addition reaction.

$$ \mathrm{CH}_3 \mathrm{COCH}_3, \mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5, \mathrm{CH}_3 \mathrm{CHO} $$

A
$\mathrm{CH}_3 \mathrm{CHO}>\mathrm{CH}_3 \mathrm{COCH}_3>\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5$
B
$\mathrm{CH}_3 \mathrm{COCH}_3>\mathrm{CH}_3 \mathrm{CHO}>\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5$
C
$\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5>\mathrm{CH}_3 \mathrm{COCH}_3>\mathrm{CH}_3 \mathrm{CHO}$
D
$\mathrm{CH}_3 \mathrm{CHO}>\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5>\mathrm{CH}_3 \mathrm{COCH}_3$
4
KCET 2023
MCQ (Single Correct Answer)
+1
-0

Compounds P and R in the following reaction are

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

A
Position isomers
B
Functional isomers
C
Metamers
D
Identical

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