P-Block Elements Ques 365
Question: Aqua-regia is
[Orissa JEE 2005]
Options:
A) 1 : 3 conc. $ HNO_3 $ and conc. $ HCl $
B) 1 : 2 conc. $ HNO_3 $ and conc. $ HCl $
C) 3 : 1 conc. $ HNO_3 $ and conc. $ HCl $
D) 2 : 1 conc. $ HNO_3 $ and conc. $ HCl $
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Answer:
Correct Answer: A
Solution:
One part of concentrated $ HNO_3 $ and 3 parts concentrated $ HCl $ form aquaregia.