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JEE Main Chemistry Class 12 The P Block Elements (15-18) Part 2 Questions
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© examsnet.com
Question : 80
Total: 84
The reaction of white phosphorus on boiling with alkali in inert atmosphere resulted in the formation of product
A
. The reaction of
1
m
o
l
of
A
with excess of
A
g
N
O
3
in aqueous medium gives mol(s) of Ag (Round off to the nearest integer).
[17 Mar 2021 Shift 1]
Your Answer:
Validate
Solution:
P
4
+
3
N
a
O
H
+
3
H
2
O
⟶
P
H
3
+
3
N
a
H
2
P
O
2
(
A
)
Sodiumhypophosphite
1 mole of
N
a
H
2
P
O
2
reacts with excess of
A
g
N
O
3
in aqueous medium to give 4 moles of
A
g
.
N
a
H
2
P
O
2
+
4
A
g
N
O
3
+
2
H
2
O
⟶
4
A
g
+
H
3
P
O
4
+
N
a
N
O
3
+
3
H
N
O
3
Hence, 1 mole produce 4 mole of
A
g
.
© examsnet.com
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