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Tardigrade
Question
Chemistry
Pb on reaction with conc. HNO3 gives
Q. Pb on reaction with conc.
H
N
O
3
gives
1833
212
NTA Abhyas
NTA Abhyas 2020
The p-Block Elements - Part2
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A
P
b
(
N
O
3
)
4
+
N
O
3
4%
B
P
b
(
N
O
3
)
3
+
N
2
O
7%
C
P
b
(
N
O
3
)
2
+
N
O
2
84%
D
P
b
N
O
3
+
NO
5%
Solution:
H
N
O
3
is the best solvent for lead and the reaction is as follows
P
b
+
4
H
N
O
3
(
co
n
c
.
)
→
P
b
(
N
O
3
)
2
+
2
N
O
2
+
2
H
2
O