1
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
2
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
3
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.
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Incorrect statement about $\alpha$-amino acids of proteins among the following is
A
Methionine is an essential amino acid
B
Glycine doesn't exhibit enantiomerism
C
Glycylalanylglycine has three amide linkages
D
Zwitterion of valine exhibits amphoteric behaviour