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Standard XII
Chemistry
Oxides of Phosphorus
The compounds...
Question
The compounds obtained by heating of orthophosphoric acid are :
A
metaphosphoric acid.
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B
pyrophosphoric acid.
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C
P
4
O
6
.
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D
P
4
O
10
.
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Solution
The correct options are
A
pyrophosphoric acid.
B
metaphosphoric acid.
C
P
4
O
10
.
P
4
O
10
is
the anhydride of phosphoric acid.
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Similar questions
Q.
Calculate mass of phosphoric acid required to obtain
53.4
gm pyrophosphoric acid.
Q.
The mass of phosphoric acid required to obtain
53.4
g pyrophosphoric acid is :
Q.
(a) Define an acid salt and a normal salt.
(b) How many salts can be obtained from orthophosphoric acid? Is there any difference in the salts formed by the acid?
Q.
Pyrophosphoric acid on heating to
600
∘
C
gives
Q.
Orthophosphoric acid
g
e
n
t
l
e
h
e
a
t
−
−−−−−
→
220
∘
X
, What is/are correct about X?
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