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JEE CHEMISTRY MCQ: HYDROCARBONS
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(A): In the Kolbe's electrolysis of two moles of in aqueous solution, lit of gases evolved at pressure and .
(R) Kolbe's electrolysis of aqueous solution of involves free radical mechanism.
(R) Kolbe's electrolysis of aqueous solution of involves free radical mechanism.
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Correct option: B
Both A and R are correct, R is not the correct explanation of A
The correct answer is B because both the assertion and the reason are correct, but the reason is not the correct explanation for the assertion.
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In benzene, there is a delocalisation of π-electrons. Hence, each π-electron is attached by….carbon nuclei.
Which statement is false?
Assertion (A) In comparison to ethyl chloride, it is not easy to carry outnucleophilic substitution on vinyl chloride.
Reason (R) Vinyl group is an electron donating. If 2-oxopropanal and methanal are obtained by the reductive ozonolysis of compound (A), then the number of -bonds presents in Fischer-Tropsch process is used in the manufacture of:
Reason (R) Vinyl group is an electron donating. If 2-oxopropanal and methanal are obtained by the reductive ozonolysis of compound (A), then the number of -bonds presents in Fischer-Tropsch process is used in the manufacture of:
