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JEE CHEMISTRY MCQ: HYDROCARBONS
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The molecule benzene can undergo a chemical reaction known as nitration.The carry out this
reaction there is need for the presence of two concentrated acids. Nitric acid is one, but
what is the other?
reaction there is need for the presence of two concentrated acids. Nitric acid is one, but
what is the other?
View answer and explanation
Correct option: B
Sulphuric acid
Option B (Sulphuric acid) is correct because the nitration of benzene requires a mixture of concentrated nitric acid and concentrated sulfuric acid, where sulfuric acid acts as a catalyst to generate the nitronium ion ().
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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 -bonds presents in Fischer-Tropsch process is used in the manufacture of:
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: