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An inorganic iodide (A) on heating gives...

An inorganic iodide (A) on heating gives gases (B) and (C). (B) is neutral towards litmus while (C) is acidic (B) gives back dense white fumes of (A) when cooled with (C). (A) functions as a strong acid in water. (C) is also obtained by action of (D) on water. (D) can be obtained when (B) reacts with `I_(2)` in presence of anhydrous `CaCl_(2)`. (B) is poisonous, has smell of rotten fish and it is sparingly soluble in water. Now answer the following question
What is true compound (D) ?

A

The oxidation number of central atom of (D) is + IV

B

Compound (D) produces a yellow precipitate with silver nitrate solution

C

Compound (D) dissolves in water forming an acid which with sodium hydroxide forms three series of salts

D

Both (B) and (C)

Text Solution

Verified by Experts

The correct Answer is:
D
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