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Published on: 24/05/2021
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Download CBSE Class 12th Standard CBSE Chemistry question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Chemistry
Questions + Answers key
Take MCQ Chemistry Test
1.
Ethylidene chloride is a/an ............
vic-dihalide
gem-dihalide
allylic halide
vinylic halide
2.
Chlorobenzene is formed by reaction of chlorine with benzene in the presence of AlCl3. Which of the following species attacks the benzene ring in this reaction?
Cl-
Cl+
AlCl3
[AlCl4]-
3.
Which of the following is an example of vic-dihalide?
Dichloromethane
1,2 Dichloroethane
Ethylidene chloride
Allyl chloride
4.
Which reagent will you use for the following reaction?
CH3CH2CH2CH3 \(\longrightarrow\) CH3CH2CH2CH2Cl+CH3CH2CHClCH3
Cl2/UV light
NaCl+H2SO4
Cl2 gas in dark
Cl2 gas in the presence of iron in dark
5.
Toluene reacts with a halogen in the presence of iron (III) chloride giving ortho and para halo compounds. The reaction is
Electrophilic elimination reaction
Electrophilic substitution reaction
Free radical addition reaction
Nucleophilic substitution reaction
1.
(b)
gem-dihalide
2.
(b)
Cl+
3.
(b)
1,2 Dichloroethane
4.
(a)
Cl2/UV light
5.
(b)
Electrophilic substitution reaction
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