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

What type of isomerism is exhibited by $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3$ and $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}$

A
Coordinate
B
Solvate
C
Ionization
D
Linkage
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following groups exhibits (+)R effect?

A
$\mathrm{-NHR}$
B
$\mathrm{-CN}$
C
$\mathrm{-NO_2}$
D
$\mathrm{-COOR}$
3
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
$\mathrm{R}-\mathrm{COOH}$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is radius of first orbit of He$^+$ ?

A
52.90 pm
B
78.90 pm
C
26.45 pm
D
13.35 pm
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