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Q.

0.4 g of a polybasic acid HnA (basicity = n) requires 0.5 g of NaOH for complete neutralization. The value of n would be:
(Molecular weight of acid is 96 gm)

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a

2

b

1

c

3

d

4

answer is C.

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Detailed Solution

The value of n can be calculated as;

0.496×n=0.540

⇒n=3

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