Question
Chemistry Question on Hydrocarbons
The Fischer projection of D-erythrose is shown below.
D-Erythrose and its isomers are listed as P , Q , R , and S in Column-I. Choose the correct relationship of P , Q , R , and S with D-erythrose from Column II.
| Column-I | Column-II |
|---|---|
| P |  |
| Q |  |
| R |  |
| S |  |
A
P→ 2, Q→ 3, R→ 2, S→ 2
B
P→ 3, Q→ 1, R→ 1, S→ 2
C
P→ 2, Q→ 1, R→ 1, S→ 3
D
P→ 2, Q→ 3, R→ 3, S→ 1
Answer
P→ 2, Q→ 1, R→ 1, S→ 3
Explanation
Solution
So the correct match is option (C):P→ 2, Q→ 1, R→ 1, S→ 3