0.5g of an organic compound on kjeldhal's analysis gave enough ammonia to just neutralize 10cm3 of 1M $H_{2} S O_{4}$ . The $%$ of nitrogen in the compound is

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Solution

The correct option is A
56

$%$ of M= $\frac{1.4 N o r m a l i t y o f a c i d \times v o l u m e o f a c i d u s e d}{M a s s o f s u b s t a n c e t a k e s}$

M of $H_{2} S O_{4}$ =1, Normality=1 $\times 2 = 2 N$

$%$ of M= $\frac{1.4 \times 2 \times 10}{0.5} = 56$ .

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0.5g of an organic compound on kjeldhal's analysis gave enough ammonia to just neutralize 10cm3 of 1M H2SO4. The %of nitrogen in the compound is

The correct option is A 56 % of M=1.4 Normality of acid × volume of acid usedMass of substance takes M of H2SO4=1, Normality=1×2=2N %of M=1.4×2×100.5=56.

0.5g of an organic compound on kjeldhal's analysis gave enough ammonia to just neutralize 10cm3 of 1M $H_{2} S O_{4}$ . The $%$ of nitrogen in the compound is

The correct option is A
56

$%$ of M= $\frac{1.4 N o r m a l i t y o f a c i d \times v o l u m e o f a c i d u s e d}{M a s s o f s u b s t a n c e t a k e s}$

M of $H_{2} S O_{4}$ =1, Normality=1 $\times 2 = 2 N$

$%$ of M= $\frac{1.4 \times 2 \times 10}{0.5} = 56$ .