Q.
The number of gram - atoms of sulphur in 2 moles of peroxydisulphuric acid is
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a
2
b
3
c
1
d
4
answer is D.
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Detailed Solution
Peroxydisulphuric acid is H2S2O81 mole of H2S2O8 contain 2 gram atoms of Sulphur2 moles of H2S2O8 contain 'X' gram atoms of SulphurX =2 x 21=4
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