JEE Main Chemistry question

ChemistryThe p-Block ElementsJEE Main

The following two reactions of with Zn are given as (equations are not balanced):

Zn+conc.\ → +[X]+ (A)

Zn+dil.\ → +[Y]+ (B)

In reactions and , the compounds and respectively, are

Answer: (D)

Solution

With concentrated , Zn reduces nitrate to : Zn+4HNO_3(conc.)\rightarrow Zn(NO_3)_2+2NO_2+2H_2O, so . Zinc being a strongly reducing (highly active) metal, with dilute

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Question ID VK-147296