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1
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the compound from following having lowest boiling point.

A
$$\mathrm{n}-\mathrm{C}_4 \mathrm{H}_9 \mathrm{NH}_2$$
B
$$\mathrm{C}_2 \mathrm{H}_5 \mathrm{CH}\left(\mathrm{CH}_3\right)_2$$
C
$$\mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}\left(\mathrm{CN}_3\right)_2$$
D
$$\left(\mathrm{C}_2 \mathrm{H}_5\right)_2 \mathrm{NH}$$
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among following amines has lowest $$\mathrm{pK}_{\mathrm{b}}$$ values?

A
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2$$
B
$$\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_2 \mathrm{NH}$$
C
$$\left(\mathrm{CH}_3 \mathrm{CH}_2\right)_3 \mathrm{N}$$
D
$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2$$
3
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following conjugate bases is stabilized to greater extent due to solvation of ammonia and amines?

A
$$\mathrm{R}_3 \mathrm{NH}^{+}$$
B
$$\mathrm{RNH}_3^{+}$$
C
$$\mathrm{NH}_4^{+}$$
D
$$\mathrm{R}_2 \mathrm{NH}_2^{+}$$
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following amines acts as strongest base?

A
$$\mathrm{CH}_3 \mathrm{NH}_2$$
B
$$\left(\mathrm{C}_2 \mathrm{H}_5\right) \mathrm{N}\left(\mathrm{CH}_3\right)_2$$
C
$$\left(\mathrm{CH}_3\right)_2 \mathrm{NH}$$
D
$$\left(\mathrm{CH}_3\right)_3 \mathrm{N}$$
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