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0.45 g an acid (mol wt.=90) required 20 ...

0.45 g an acid (mol wt.=90) required 20 ml of 0.5 N KOH for complete neutralization. Basicity of acid is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
Normality N ` = (W_(B) xx 1000)/(Eq.wt xx V)`
` therefore ` Eq. wt `= (0.45 xx 1000)/(0.5 xx 20) = 45`
`therefore ` Basicity `= ("Molecular Wt")/(Eq.wt) = (90)/(45) = 2 `
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