Hydrocarbons MCQs for NEET — Chemistry Questions with Answers

In the reaction given below, the product would be :-
                                          OH
                       H₃O^{+                _l}
CH₃-CH=CH-CH₃→CH₃-CH₂-CH-CH₃

CH₃-CH₂-CH₂-C$\equiv$CH+LiHN₂$\to \left(\mathrm{A}\right)\stackrel{({\mathrm{CH}}_3{)}_2{\mathrm{SO}}_4}{\to }$(B)

Give the structural formula of compound (B):

Which of the following alkyne on treatment with H₂(2 mole)/ Pt gives an optically inactive compound ?

Which alkyne yields butanoic acid (CH3CH2CH2CO2H) as the only organic product on treatment with ozone followed by the hydrolysis?

Nitration of which of the following reactant gives maximum % of meta product (using HNO₃/H₂SO₄)?

The action of AlCl₃ in Friedel Craft's reaction is:

n-Butylbenzene on oxidation with hot alkaline KMnO₄ gives:-

Consider the following sequence of reactions.

${\mathrm{C}}_6{\mathrm{H}}_6 + {\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2\underset{\mathrm{heat}}{\overset{{\mathrm{H}}_3{\mathrm{PO}}_4}{\to }}\mathrm{A}\underset{2.{\mathrm{H}}_3{\mathrm{O}}^{+}, \mathrm{heat}}{\overset{1.{\mathrm{O}}_2,\mathrm{Heat}}{\to }}\mathrm{B}+\mathrm{C}$

The products (B) and (C) are

p-Toluidine reacts with benzene diazonium chloride to form compound, which on boiling with aq. H₂SO₄ give .......... products:

Which of the following benzene ring substituents is deactivating but ortho-para directing?