KVPY SA Exam 05-Nov-2017 Question Paper

Question : 71 of 80

Marks: +1, -0

The reaction of an alkene X with bromine produce a compound Y, which has 22.22% C, 3.71% H and 74.07% Br. The ozonolysis of alkene X gives only one product. The alkene X is :
[Given : atomic mass of c = 12 ; H = 1; Br = 80]

ethylene
1-butene
2-butene
3-hexene

Validate

Solution:

From the data given,
X will be

CH_3–CH = CH–Ch_3

which on ozonolysis gives ethanal.

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