Some Basic Concepts Of Chemistry Question 232

Question: 0.16 g of dibasic acid required 25 ml of decinormal NaOH solution for complete neutralisation. The molecular weight of the acid will be [CPMT 1989]

Options:

A) 32

B) 64

C) 128

D) 256

Show Answer

Answer:

Correct Answer: C

Solution:

Dibasic acid NaOH; N1V1=N2V2

WE×1000=110×25 ; 0.16E×1000=2510

M=2×E=2×64=128 .



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