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Byju's Answer
Standard VII
Chemistry
Molecular Formula
What is the m...
Question
What is the molecular formula of Marshall's acid?
A
H
2
S
O
5
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B
H
2
S
2
O
8
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C
H
2
S
O
4
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D
H
2
S
2
O
7
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Solution
The correct option is
B
H
2
S
2
O
8
Peroxydisulfuric acid is the inorganic compound with the chemical formula
H
2
S
2
O
8
. Also called Marshall's acid
option B is correct
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Similar questions
Q.
Find the number of acid(s) which are having peroxy linkage from the following:
H
3
P
O
5
,
H
2
S
O
5
,
H
2
S
2
O
7
,
H
2
S
2
O
8
,
H
C
l
O
4
Q.
Marshall's acid or perdisulphuric acid
(
H
2
S
2
O
8
)
can be prepared by electrolytic oxidation of
H
2
S
O
4
as :
2
H
2
S
O
4
→
H
2
S
2
O
8
+
2
H
⊕
+
2
e
−
O
2
and
H
2
are byproducts. In such an electrolysis 9.72 L of
H
2
and 2.35 L of
O
2
were produced at S.T.P. What is the weight of
H
2
S
2
O
8
formed ?
Q.
Oxidation number of sulphur in marshall's acid
(
H
2
S
2
O
8
)
is
Q.
What is the formula of Marshall's acid?
Q.
Peroxy acids of sulphur among the following are:
H
2
S
2
O
8
,
H
2
S
O
5
,
H
2
S
2
O
7
,
H
2
S
2
O
3
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