JEE Main 9 Jan 2020 Shift 2 Solved Paper

Section: Chemistry

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Question : 50 of 75

Marks: +1, -0

Consider the following reactions

A

(i)CH3MgBr

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(ii)H3O+

B

Cu

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573K

2−methyl‌2−butene

The mass percentage of carbon in A is_____.

[9 Jan 2020 Shift 2]

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