1.

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 The compound (A)

Answer»

turns moist RED litmus blue
reacts completely with water
is used as a DEHYDRATING agent
All of these

Answer :B


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