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JEE CHEMISTRY MCQ: HYDROCARBONS

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If 2-oxopropanal and methanal are obtained by the reductive ozonolysis of compound (A), then the number of

\sigma

-bonds presents in

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Correct option: C

12

Option C (12) is correct because the reductive ozonolysis of isoprene yields 2-oxopropanal and methanal, and isoprene has 12 sigma bonds.

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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. Fischer-Tropsch process is used in the manufacture of: Among the following group, which deactivates benzene ring for electrophilic substitution: