Class 12th Chemistry Chapter Haloalkanes and Haloarenes Free MCQ Test Quiz

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12th Chemistry: Haloalkanes and Haloarenes

1 / 10

1. How many alcohol(s) with molecular formula C₄H₁₀O are chiral in nature?

2

4

1

3

2 / 10

2. Isopropyl chloride undergoes hydrolysis by

S_N1 mechanism

S_N2 mechanism

Neither S_N1 nor S_N2 mechanism

S_N1 and S_N2 mechanisms

3 / 10

3. 2-Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is

cis-pentene-2

pentene-1

2-ethoxypentane

trans-2-pentene

4 / 10

4. Which of the following is a chiral compound?

2,3,4-trimethylhexane

methane

hexane

n-butane

5 / 10

5. IUPAC name of (CH₃)₃CCl

<em>t</em>-butyl chloride

2-Chloro-2-methylpropane

3-Chlorobutane

<em>n</em>-butyl chloride

6 / 10

6. Which of the following is liquid at room temperature (b.p. is shown against it)?

CH₃I 42ºC

C₂H₅ C l 12ºC

CH₃F –78ºC

CH₃Br 3ºC

7 / 10

7. Which of the following compounds is oxidised to prepare methyl ethyl ketone?

2-Butanol

2-Propanol

l-Butanol

t-Butyl alcohol

8 / 10

8. The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

dry HCl in the presence of anhydrous ZnCl₂

None of these

PCl₅

SOCl₂ in presence of pyridine

9 / 10

9. The pesticide DDT slowly changes to

p, p'-Dichlorodiphenylethene

p, p'-Dichlorodiphenyldichloroethene

CCl_3-CHO and chlorobenzene

p, p'-Dichlorodiphenyldichloroethane

10 / 10

10. The compound HOCH₂-CH₂OH is

ethane glycol

ethylidene alcohol

ethylene glycol

dimethyl alcohol

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Chapter wise chemistry mock test quiz

? Explore Haloalkanes
Begin with the basics — learn the nomenclature and the nature of the carbon-halogen (C–X) bond in haloalkanes. Dive deep into their physical and chemical properties, and understand the mechanisms behind their substitution reactions.

? Discover Haloarenes
Move on to haloarenes and study the characteristics of the C–X bond in aromatic compounds. Learn about the directive influence of halogens in monosubstituted arenes and how it affects substitution reactions.

? Real-World Applications and Environmental Impact
Explore important compounds such as dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, and DDT. Understand their diverse uses and their environmental consequences.

? Why This Chapter Matters
A thorough understanding of haloalkanes and haloarenes is crucial for grasping various industrial processes and addressing environmental concerns.

? Ready to Test Your Knowledge?
Whether you’re aiming for top grades or simply want to expand your chemistry knowledge, our free Class 12 Chemistry Chapter 10 quiz is a perfect way to reinforce your learning. Take the quiz now and master these fascinating compounds!

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