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JEE CHEMISTRY MCQ: HYDROCARBONS

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Select the organic compounds aliphatic in nature but burn with smoky flame :

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Correct option: D

Both (a) and (b)

Option D (Both (a) and (b)) is correct because both carbon tetrachloride (

\mathrm{CCl_4}

) and chloroform (

\mathrm{CHCl_3}

) are aliphatic compounds that burn with a smoky flame due to incomplete combustion.

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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

\sigma

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