Explore topic-wise MCQs in Organic Chemistry Questions and Answers.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the correct increasing order of stretching frequencies for C ≡ C, C = C and C — C?

A. C — C > C = C > C ≡ C
B. C ≡ C > C = C > C — C
C. C — C > C = C < C ≡ C
D. C ≡ C < C — C > C = C
Answer» C. C — C > C = C < C ≡ C
Discussion
2.

What is the order of decreasing vibrational frequency for C — Cl, C — Br, C — C, C — O and C — H?

A. C-H, C-C, C-O, C- Cl, C-Br
B. C- Cl, C-Br, C-C, C -H, C-O
C. C-O, C-H, C-Br, C- Cl, C-C
D. C-Br, C- Cl, C-C, C-O, C-H
Answer» B. C- Cl, C-Br, C-C, C -H, C-O
Discussion
3.

For HCI = 1.63 x 10-27 kg, the observed frequency = 2890 or v = 8.67 x 1013 Hz. What is the force constant K?

A. 4.83 m dyn Å-1
B. 8.43 dynes cm-1
C. 483 μm-1
D. 4.83 dyn Å-1
Answer» B. 8.43 dynes cm-1
Discussion
4.

What is the relation between restoring force, f to the displacement q in Hooke’s law?

A. f = -kq
B. f = kq
C. f = kq2
D. f = -kq2
Answer» B. f = kq
Discussion