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Chemistry
Which one is known as Marshall's acid ?
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Q. Which one is known as Marshall's acid ?
A
$H_2S_2O_3$
B
$H_2SO_5$
C
$H_2S_2O_8$
D
$H_2S_2O_7$
Solution:
Correct answer is (c) $H_2S_2O_8$