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Chemistry
10 cm3 of 0.1 N monobasic acid requires 15 cm3 of sodium hydroxide solution whose normality is
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Q. $10 \,cm^3$ of $0.1\, N$ monobasic acid requires $15 \,cm^3$ of sodium hydroxide solution whose normality is
KCET
KCET 2008
Solutions
A
$1.5\, N$
12%
B
$0.15 \,N$
25%
C
$0.066\, N$
50%
D
$0.66\, N$
13%
Solution:
Volume of monobasic acid $=10 \,cm ^{3}$
Normality of monobasic acid $=0.1 \,N$
Volume of $NaOH$ solution $=15 \,cm ^{3}$
Normality of $NaOH$ solution $=? $
$N_{1} V_{1}=N_{2}\, V_{2}$
(for monobasic acid ) (for $NaOH$ )
$10 \times 0.1\, N=15 \times N_{2}$
$N_{2}=\frac{1 N}{15}=0.066\, N$