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Question

100 cm3 of a 0.1 N HCl solution is mixed with 100 cm3 of a 0.2 N NaOH solution. The resulting solution has:

A
Normality of OH=0.1 N and the solution is basic
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B
Normality of H+=0.1 N and the solution is acidic
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C
Normality of OH=0.05 N and the solution is basic
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D
Normality of H+=0.05 N and the solution is acidic
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Solution

The correct option is C Normality of OH=0.05 N and the solution is basic
Milliequivalents of HCl =0.1×100=10
Milliequivalents of NaOH =0.2×100=20
Since the number of equivalents of the base is greater, the solution will be basic.
Number of milliequivalents of OH left after neutralization = 10
Normality of OH ions in solution =number of milli-equivalents lefttotal volume of the solution in mL
=10100+100=0.05 N

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