1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
The major product '$A$' in the given reaction is
Benzaldehyde $\xrightarrow{\large{\text{Acetophenone, OH}^-/293\text{K}}}$ '$A$' (Major product)
A
KCET 2026 Chemistry - Aldehyde and Ketone Question 2 English Option 1
B
KCET 2026 Chemistry - Aldehyde and Ketone Question 2 English Option 2
C
KCET 2026 Chemistry - Aldehyde and Ketone Question 2 English Option 3
D
KCET 2026 Chemistry - Aldehyde and Ketone Question 2 English Option 4
2
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
3
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
4
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
$\mathrm{CH}_3 \mathrm{CHO}>\mathrm{CH}_3 \mathrm{COC}_2 \mathrm{H}_5>\mathrm{CH}_3 \mathrm{COCH}_3$

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