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Question
Chemistry
When orthophosphoric acid is heated to 600°C, the product formed is
Q. When orthophosphoric acid is heated to
60
0
∘
C
, the product formed is
5579
190
AIPMT
AIPMT 1989
The p-Block Elements - Part2
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A
P
H
3
11%
B
P
2
O
5
13%
C
H
3
P
O
3
19%
D
H
P
O
3
57%
Solution:
When orthophosphoric acid
(
H
3
P
O
4
)
is heated and dehydration takes place. It form metaphosphoric acid (HPO_3).
H
3
P
O
4
Δ
H
P
O
3
+
H
2
O