Chemistry-(general)
NEET Chemistry (general) Match the Following Question
Type: Match the Following-match the column-Hard-Class 12
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) α-black phosphorus | (i) Prepared by heating white phosphorus at high pressure |
| (b) β-black phosphorus | (ii) Does not oxidise in air |
| (c) Phosphine preparation | (iii) Reaction with calcium phosphide |
| (d) Black phosphorus | (iv) Formed by heating red phosphorus |
A
a-iv, b-i, c-iii, d-ii
B
a-ii, b-iv, c-i, d-iii
C
a-i, b-ii, c-iv, d-iii
D
a-iii, b-ii, c-i, d-iv
Correct Answer
Option A
Detailed Explanation
α-black phosphorus is formed by heating red phosphorus, while β-black phosphorus is prepared by heating white phosphorus at high pressure. Phosphine is prepared from calcium phosphide. Black phosphorus has forms that do not oxidise in air.
Found an issue with this question?