Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Mercury on heating with aqua-regia gives :
Q. Mercury on heating with aqua-regia gives :
1765
193
NTA Abhyas
NTA Abhyas 2020
The d-and f-Block Elements
Report Error
A
Hg
(
NO
3
)
2
22%
B
HgCl
2
30%
C
Hg(NO
2
)
2
22%
D
Hg
2
Cl
2
26%
Solution:
Aqua regia is a mtextxture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3
3
H
g
+
2
H
N
O
3
+
6
H
C
l
→
3
H
g
C
l
2
+
2
N
O
+
4
H
2
O