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JEE CHEMISTRY MCQ: HYDROCARBONS
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In benzene, there is a delocalisation of π-electrons. Hence, each π-electron is attached by….carbon nuclei.
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Correct option: C
6
Option C (6) is correct because in benzene, the π-electrons are delocalized over all six carbon atoms in the ring.
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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: Among the following group, which deactivates benzene ring for electrophilic substitution:
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: Among the following group, which deactivates benzene ring for electrophilic substitution: