Which of the following statements regrading $H N O_{3}$ is correct
A) Concentrated nitric acid is a strong oxidizing agent and attacks most metals such as gold and platinum.
B) It is used in pickling of stainless steel and etching of metals.
C) 68% $H N O_{3}$ ,32% water by mass is an example of minimum boiling azeotrope.
D) Zinc reacts with dil. $H N O_{3}$ to give $N O_{2}$ and with conc. $H N O_{3}$ to give $N_{2} O$

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B only

B,C only

B,C,D only

A,B,C,D

answer is C.

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Detailed Solution

Refer NCERT- P -block Group – 15, pg-179,180 and solutions, pg- 49

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