A) 2 % KCl solution in water
B) 90 % ethanol + 10% water
C) 68 % \[HN{{O}_{3}}+32%\] water
D) None of the above
Correct Answer: C
Solution :
Nitric acid and water form maximum boiling point azeotrope at the composition 68% \[HN{{O}_{3}}\] and 32% water. The boiling point of azeotropic mixture or azeotrope is \[{{120.5}^{o}}\].
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