JEE CHEMISTRY MCQ: HYDROCARBONS

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{\mathrm{C}_6}{\mathrm{H}_{12}}

on addition of HBr in presence and in absence of peroxide gives some product.

It is :

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Correct option: D

All of these

Option D is correct because

{\mathrm{C}_6}{\mathrm{H}_{12}}

can be hexene-3 or 2,3-dimethylbut-2-ene (symmetrical alkenes), and addition of HBr can give different products depending on the presence or absence of peroxide.

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\mathrm{Ca}{\mathrm{C}_2} + {\mathrm{H}_2}\mathrm{O} \to X\xrightarrow{{{\mathrm{O}_3}/\frac{{{\mathrm{H}_2}\mathrm{O}}}{{\mathrm{O}{\mathrm{H}^ + }}}}}\mathrm{HCOOH} + \mathrm{HCOOH},X\;\mathrm{is}

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

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