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MHT CET Chemistry question

ChemistryRedox ReactionsMHT CET

0.7 g of were dissolved in water and the volume was made to 100 mL, 20 mL of this solution required 19.8 mL of /10 HCl for complete neutralisation. The value of is:

Answer: (C)

Solution

20 mL of solution = 1.98 meq, so 100 mL = 9.9 meq = 0.0099 eq = 0.00495 mol, M = 0.7/0.00495 ≈ 141 = 106 +

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Question ID VK-041271