A) Zn acts as an oxidising agent when react with\[HN{{O}_{3}}\].
B) \[HN{{O}_{3}}\] is weaker acid than \[{{H}_{2}}S{{O}_{4}}\] and\[HCl\].
C) In electrochemical series Zn is above hydrogen.
D) \[NO_{3}^{-}\] ion is reduced in preference to hydroniumion.
Correct Answer: D
Solution :
[d] \[NO_{3}^{-}\] ions are reduced by nascent hydrogen \[Metal+HN{{O}_{3}}\to Metal\text{ }nitrate+\left[ H \right]\] \[HN{{O}_{3}}+8[H]\to {{N}_{2}}O+5{{H}_{2}}O\]
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