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1
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is Mendius reduction?

A
$\mathrm{R}-\mathrm{CONH}_2 \xrightarrow[\Delta]{\mathrm{B}_2, \mathrm{KOH}_{(\mathrm{aq})}} \mathrm{R}-\mathrm{NH}_2$
B
$\mathrm{R}-\mathrm{NH}_2 \xrightarrow{\mathrm{RX} \text { (excess) }} \mathrm{R}_4 \mathrm{NX}$
C
$\mathrm{R}_4 \mathrm{NX} \xrightarrow[\Delta]{\text { Moist } \mathrm{Ag}_2 \mathrm{O}}$ Alkene $+\mathrm{R}_3 \mathrm{~N}$
D
$\mathrm{R}-\mathrm{CN} \xrightarrow[\text { or } \mathrm{LiAl} \mathrm{L}_4]{\mathrm{Na} / 2 \mathrm{C}_2 \mathrm{OH}} \mathrm{R}-\mathrm{CH}_2 \mathrm{NH}_2$
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the product 'B' obtained in following reaction.

$\mathrm{R}-\mathrm{C} \equiv \mathrm{N} \xrightarrow[\mathrm{HCl}]{\mathrm{SnCl}_2}\mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

A
$\mathrm{R}-\mathrm{NH}_2$
B
$\mathrm{R}-\mathrm{CONH}_2$
C
$\mathrm{R}-\mathrm{CHO}$
D
$\mathrm{R}-\mathrm{COOH}$
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the correct decreasing order of $\mathrm{pK}_{\mathrm{b}}$ values of compounds from following.

A
$\mathrm{NH}_3>\mathrm{R}-\mathrm{NH}_2>\mathrm{R}_2 \mathrm{NH}$
B
$\mathrm{R}_2 \mathrm{NH}>\mathrm{R}-\mathrm{NH}_2>\mathrm{NH}_3$
C
$\mathrm{R}-\mathrm{NH}_2>\mathrm{R}_2 \mathrm{NH}>\mathrm{NH}_3$
D
$\mathrm{R}_2 \mathrm{NH}>\mathrm{NH}_3>\mathrm{R}-\mathrm{NH}_2$
4
MHT CET 2024 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following compounds does not react with acetyl chloride?

A
$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2$
B
$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NHCH}_3$
C
$\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{N}$
D
$\left(\mathrm{CH}_3\right)_3 \mathrm{CNH}_2$
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