1.

Assertion (A) : Hydrogen iodide decomposes at 400^(@)C while hydrogen fluoride and hyrogen chloride are stable at this temperature. Reason (R ) : Thermal stability of hydrogen halides decreases from fluoride to iodide.

Answer»

A are R are CORRECT and R EXPLAINS A
A and R are correct but doesn't explains A
A is correct but R is wrong
A is wrongbut R is correct

Solution :A are R are correct and R explains A


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