1
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from the following statement is NOT correct regarding Mendius reduction?

A
It is useful for preparation of $\mathrm{R}-\mathrm{NH}_2$.
B
In this alkyl cyanides are reduced.
C
In this sodium and ethanol is used for reduction.
D
In this method one carbon atom is lost in the form of $\mathrm{CO}_2$.
2
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following amines has highest $\mathrm{pK}_{\mathrm{b}}$ value?

A
Arylamine
B
Tertiary alkanamine
C
Secondary alkanamine
D
Primary alkanamine
3
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which reagent from following is used for preparation of aliphatic aldehyde from nitriles?

A
$\mathrm{CrO}_2 \mathrm{Cl}_2$ in $\mathrm{CS}_2$
B
$\mathrm{CrO}_3$ in acetic anhydride
C
$\mathrm{SnCl}_2, \mathrm{HCl}$
D
$\mathrm{Co}, \mathrm{HCl}$, anhydrous $\mathrm{AlCl}_3$
4
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
$\mathrm{R}-\mathrm{CN} \xrightarrow[\text { or } \mathrm{LiAl} \mathrm{L}_4]{\mathrm{Na} / 2 \mathrm{C}_2 \mathrm{OH}} \mathrm{R}-\mathrm{CH}_2 \mathrm{NH}_2$
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