JEE CHEMISTRY MCQ: HYDROCARBONS

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Analyzing +4 | -1

Statement-1 : All the hydrogen atoms in

{CH}_2={C}={CH}_2

lie in one plane.

Statement-2 : Carbon atoms are

s p^2

and

s p

hybridized.

View answer and explanation

Correct option: D

Assertion is incorrect, reason is correct.

Option D is correct because both the assertion and the reason are false. The standard cell potential is not always zero, and the given reaction has a non-zero standard cell potential.

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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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