Question 1 of 15
The general formula of alkanes is
A
CₙH₂ₙ
B
CₙH₂ₙ₊₂
C
CₙH₂ₙ₋₂
D
CₙHₙ
View Correct Answer & Step-by-Step Solution
Correct Option:(B)CₙH₂ₙ₊₂
Detailed explanation is available inside the official test attempt review.
JEE Main Chemistry: Hydrocarbons — Chapter Test 1
JEE Main • Chemistry • Hydrocarbons • Chapter Test
EasyFREE
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.
Question 2 of 15
HBr adds to propene (no peroxide) to give mainly
A
1-bromopropane
B
2-bromopropane
C
1,2-dibromopropane
D
propane
View Correct Answer & Step-by-Step Solution
Correct Option:(B)2-bromopropane
Detailed explanation is available inside the official test attempt review.
Question 3 of 15
HBr adds to propene in the presence of peroxide to give mainly
A
1-bromopropane
B
2-bromopropane
C
propanol
D
propyne
View Correct Answer & Step-by-Step Solution
Correct Option:(A)1-bromopropane
Detailed explanation is available inside the official test attempt review.
Question 4 of 15
Decolourisation of bromine water shows that a compound
A
is saturated
B
is unsaturated
C
is an acid
D
is ionic
View Correct Answer & Step-by-Step Solution
Correct Option:(B)is unsaturated
Detailed explanation is available inside the official test attempt review.
Question 5 of 15
Alkyl halides react with sodium in dry ether to form alkanes. This is the
A
Kolbe reaction
B
Wurtz reaction
C
Friedel–Crafts reaction
D
Aldol reaction
View Correct Answer & Step-by-Step Solution
Correct Option:(B)Wurtz reaction
Detailed explanation is available inside the official test attempt review.
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Frequently asked questions
How many questions are there in JEE Main Chemistry: Hydrocarbons — 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 "Hydrocarbons" of JEE Main 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.