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 2026
MCQ (Single Correct Answer)
+1
-0
$\text{C}_3\text{H}_6 \xrightarrow{\large{(i)\text{ BH}_3;\ (ii)\text{ H}_2\text{O}_2/\text{NaOH}}} P \xrightarrow{\large{\text{CrO}_3,\text{ anhydrous medium}}} Q \xrightarrow{\large{(i)\text{ CH}_3\text{MgBr};\ (ii)\text{ H}_2\text{O}}} R + \text{Mg(OH)Br}$
The organic compounds $P, Q$ and $R$ are
A
B
C
D
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Basic strength of alkylamines in aqueous phase is not decided by ________.
A
Inductive effect
B
Solvation effect
C
Steric hindrance
D
Hyperconjugation effect
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Nitration of aniline in strong acidic medium gives significant amount of m-nitroaniline because
A
In electrophilic substitution reaction, amino group is meta directing
B
In strong acidic medium, aniline is present as anilinium ion.
C
$-\text{NH}_2$ group always directs to meta position.
D
m-nitroaniline has higher molar mass than o & p nitroanilines.