1
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following carbocations is least stable?

A
$(\mathrm{R})_3-\mathrm{C}^{+}$
B
$(\mathrm{R})_2-\stackrel{+}{\mathrm{C}} \mathrm{H}$
C
$\mathrm{R}-\stackrel{+}{\mathrm{C}} \mathrm{H}_2$
D
$\mathrm{H}_3 \stackrel{+}{\mathrm{C}}$
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify nonbenzenoid aromatic compound from following.

A
Aniline
B
Tropone
C
Naphthalene
D
Phenol
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following pairs of electronic effect and it's example is NOT correct?

A
Hyper conjugation : Propene
B
Resonance : Nitromethane
C
$$(-) \mathrm{R}$$ effect: $$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$
D
Electromeric effect: Acetone
4
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

identify the species from following that exhibits no bond resonance.

A
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} $$
B
$$ \mathrm{CH}_3 \mathrm{CH}_2(+) $$
C
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NO}_2 $$
D
$$ \mathrm{C}_6 \mathrm{H}_6 $$
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