a compound contains carbon 66.7% hydrogen 7.4 % nitrogen 25.9 percent the molecular mass of compound is 108u find the molecular formula
Answers
Answer:
An organic compound contains 69.77% carbon, 11.63% hydrogen and rest oxygen. The molecular mass of the compound is 86.
Empirical formula mass =5×12+10×1+1×16=86. It is equal to molecular formula mass. Hence, molecular formula is same as empirical formula.
It does not reduce Tollens reagent. Hence, it is not an aldehyde
It forms an addition compound with sodium hydrogensulphite.
Hence, it contains carbonyl group.
It give positive iodoform test.
Hence, it is a methyl ketone
On vigorous oxidation it gives ethanoic and propanoic acid.
%O= 100−(69.77+11.63)=18.60
Simple atomic ratio C:H:O=
12
69.77
: Explanation
1
11.63
:
16
18.6
=5.88:11.63:1.16=5:10:1
The empirical formula is C
5
H
10
O
COCH
2
CH
2
CH
3
O
Vigorous
CH
3
CH
2
COOH+CH
3
COOH
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