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Class 12 Chemistry: Haloalkanes and Haloarenes — Chapter Test 1

Class 12 • Chemistry • Haloalkanes and Haloarenes • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
The SN2 reaction proceeds with:
A
retention of configuration
B
inversion of configuration
C
racemisation
D
no change
View Correct Answer & Step-by-Step Solution
Correct Option:(B)inversion of configuration

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
SN1 reactions are fastest for:
A
primary halides
B
secondary halides
C
tertiary halides
D
methyl halides
View Correct Answer & Step-by-Step Solution
Correct Option:(C)tertiary halides

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The order of reactivity of haloalkanes (same alkyl group) in SN reactions is:
A
R–F > R–Cl > R–Br > R–I
B
R–I > R–Br > R–Cl > R–F
C
R–Cl > R–I > R–F
D
all equal
View Correct Answer & Step-by-Step Solution
Correct Option:(B)R–I > R–Br > R–Cl > R–F

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
Chloroform on exposure to air and light forms the poisonous gas:
A
CO₂
B
phosgene (COCl₂)
C
Cl₂
D
HCl only
View Correct Answer & Step-by-Step Solution
Correct Option:(B)phosgene (COCl₂)

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
The Wurtz reaction uses:
A
Na in dry ether
B
Zn in HCl
C
KOH in alcohol
D
AgNO₃
View Correct Answer & Step-by-Step Solution
Correct Option:(A)Na in dry ether

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 12 Chemistry: Haloalkanes and Haloarenes — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Haloalkanes and Haloarenes" of Class 12 Chemistry. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.