Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Aqua regia is used for dissolving noble metals (Au, Pt, etc). The gas evolved in this process is:
Q. Aqua regia is used for dissolving noble metals (Au, Pt, etc). The gas evolved in this process is:
2035
204
JEE Main
JEE Main 2020
The p-Block Elements - Part2
Report Error
A
N
2
B
N
2
O
3
C
NO
D
N
2
O
5
Solution:
A
u
+
H
N
O
3
+
4
H
Cl
→
H
A
u
C
l
4
+
NO
+
2
H
2
O