1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Lithium shows diagonal relationship with

A
Mg
B
Al
C
Be
D
Na
2
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which group from following is responsible for $$(-) \mathrm{R}$$ effect?

A
$$-\mathrm{COOR}$$
B
$$-\mathrm{OR}$$
C
$$-\mathrm{OH}$$
D
$$-\mathrm{NHR}$$
3
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following reaction is an example of Rosenmund reduction?

A
$$\mathrm{R}-\mathrm{CO}-\mathrm{R} \xrightarrow[\text { KoH, ethylene glycol }]{\mathrm{NH}_2-\mathrm{NH}_2, \Delta} \mathrm{R}-\mathrm{CH}_2-\mathrm{R}$$
B
$$\mathrm{R}-\mathrm{CHO} \xrightarrow[\Delta]{\mathrm{Zn}-\mathrm{Hg} / \text { conc. } \mathrm{HCl}} \mathrm{R}-\mathrm{CH}_3+\mathrm{H}_2 \mathrm{O}$$
C
$$\mathrm{R}-\mathrm{CO}-\mathrm{Cl} \xrightarrow[\text { Pd- } \mathrm{BaSO}_4]{\mathrm{H}_2} \mathrm{R}-\mathrm{CHO}+\mathrm{HCl}$$
D
$$\mathrm{R}-\mathrm{CN} \xrightarrow[\mathrm{H}_3 \mathrm{O}^{+}]{\mathrm{SnCl}_2 / \mathrm{Cl}} \mathrm{R}-\mathrm{CHO}+\mathrm{NH}_4 \mathrm{Cl}$$
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following combines with hydrogen to form compound having lowest acidic strength?

A
Cl
B
Br
C
F
D
I
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