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Chemistry
Which amongst the following has the highest normality ?
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Q. Which amongst the following has the highest normality ?
UP CPMT
UP CPMT 2010
Solutions
A
$8.0 \,g$ of $KOH/100\, mL$ of solution
18%
B
$0.5$ molar $H_2SO_4$
17%
C
$1\, N\, H_3PO_4$
24%
D
$6\, g$ of $NaOH/100\, g$ of water
40%
Solution:
$8 \,g \,KOH / 100cc=\frac{8}{56}\times\frac{1000}{100}=\frac{10}{7}N$
$=1.4\,N$,
$0.5 \,M\, H_{2}SO_{4}=1\,N \, H_{2}SO_{4}$
$6\, g \,NaOH/ 100cc=\frac{6}{40}\times\frac{1000}{100}$
$=1.5\,N$