question_answer

Zn gives \[{{H}_{2}}\] gas with \[{{H}_{2}}S{{O}_{4}}\] and HCI but not with \[HN{{O}_{3}}\] because

A)  Zn acts as an oxidising agent when reacts with \[HN{{O}_{3}}\]

B)  \[HN{{O}_{3}}\] is weaker acid than \[{{H}_{2}}S{{O}_{4}}\] and HCI

C)  In electrochemical series, Zn is above hydrogen

D)  \[NO_{3}^{-}\] ion is reduced in preference to hydroniumion.