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Question: Answered & Verified by Expert
2.56×10-3 equivalent of KOH is required to neutralise 0.12544g H 2 XO 4 . The atomic mass of X (in g/mol ) is:
[Given: H 2 XO 4 is a dibasic acid]
ChemistryRedox ReactionsJEE Main
Options:
  • A 16
  • B 8
  • C 7
  • D 32
Solution:
2008 Upvotes Verified Answer
The correct answer is: 32
Let the atomic weight of X=y
No. of equivalents of KOH = No. of equivalents of H 2 XO 4
i.e. 0.12544 66+y 2 =0.12544
y=32

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