Chemistry-(general)
NEET Chemistry (general) Match the Following Question
Type: Match the Following-match the column-Medium-Class 12
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Hydrochloric acid | (i) Strong acid |
| (b) Phosphine | (ii) Black phosphorus |
| (c) White phosphorus | (iii) Colorless gas |
| (d) Sodium chloride | (iv) Used for HCl preparation |
A
a-i, b-iii, c-ii, d-iv
B
a-ii, b-i, c-iv, d-iii
C
a-iii, b-iv, c-i, d-ii
D
a-iv, b-ii, c-iii, d-i
Correct Answer
Option A
Detailed Explanation
Hydrochloric acid is considered a strong acid due to its high dissociation constant in water (Chunk 1). Phosphine is a colorless gas that is produced from the reaction of calcium phosphide with water (Chunk 2). White phosphorus is a form of phosphorus that can be heated and transformed into other forms, including black phosphorus (Chunk 2). Sodium chloride is used in the laboratory preparation of hydrochloric acid (Chunk 1).
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