Q.
An alkaloid contains 17.28% of nitrogen and its molecular mass is 162. Tbe number of nitrogen atoms present in one molecule of alkaloid is
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a
5
b
4
c
3
d
2
answer is D.
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Detailed Solution
100 g alkaloid contains nitrogen= 17.28 g∴ 162 g alkaloid will contain nitrogen = 17.28×162100 g 27.9 g≃28 gAtomic weight of nitrogen = 14So, number of atoms of nitrogen present in one molecule of alkaloid = =2814=2
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