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 Evening Shift
MCQ (Single Correct Answer)
+1
-0

For the reaction $\mathrm{CH}_{4(\mathrm{~g})}+\mathrm{H}_{2(\mathrm{~g})} \longrightarrow \mathrm{C}_2 \mathrm{H}_{6(\mathrm{~g})}$ $\mathrm{K}_{\mathrm{p}}=3.356 \times 10^{17}$, calculate $\Delta \mathrm{G}^{\circ}$ for the reaction at 298 K .

A
$-$90 kJ
B
$-$100 kJ
C
235.6 kJ
D
33.56 kJ
3
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Rate of a first order reaction is $1.5 \times 10^{-2} \mathrm{~mol} \mathrm{~L}^{-1}$ minute ${ }^{-1}$ at 0.5 M concentration of reactant, calculate half life of reaction.

A
0.383 minute
B
7.53 minute
C
8.73 minute
D
23.1 minute
4
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the density of a metal molar mass $197 \mathrm{~g} \mathrm{~mol}^{-1}$ if it forms fcc structure. $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

A
$23.5 \mathrm{~g} \mathrm{~cm}^{-3}$
B
$21.2 \mathrm{~g} \mathrm{~cm}^{-3}$
C
$17.5 \mathrm{~g} \mathrm{~cm}^{-3}$
D
$19.7 \mathrm{~g} \mathrm{~cm}^{-3}$
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