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Tardigrade
Question
Chemistry
When PbO2 reacts with concentrated HNO3, the gas evolved is
Q. When
P
b
O
2
reacts with concentrated
H
N
O
3
, the gas evolved is
2604
228
KCET
KCET 2018
The p-Block Elements
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A
N
O
2
20%
B
O
2
64%
C
N
2
10%
D
N
2
O
7%
Solution:
The reaction between
P
b
O
2
and
H
N
O
3
is unlikely (as mentioned in NCERT) however, PbO reacts with
H
N
O
3