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JEE Main Chemistry: d- and f-Block Elements — Chapter Test 1

JEE Main • Chemistry • d- and f-Block Elements • 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.

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Question 1 of 15
The general outer electronic configuration of d-block elements is
A
ns² np⁶
B
(n−1)d¹⁻¹⁰ ns⁰⁻²
C
ns¹⁻²
D
(n−2)f¹⁻¹⁴
View Correct Answer & Step-by-Step Solution
Correct Option:(B)(n−1)d¹⁻¹⁰ ns⁰⁻²

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
Most transition metal ions are coloured because of
A
s–s transitions
B
d–d transitions
C
nuclear reactions
D
ionic bonding
View Correct Answer & Step-by-Step Solution
Correct Option:(B)d–d transitions

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
Zinc is not regarded as a typical transition element because
A
it is a gas
B
its d subshell is completely filled in the atom and its common ion
C
it has no electrons
D
it is radioactive
View Correct Answer & Step-by-Step Solution
Correct Option:(B)its d subshell is completely filled in the atom and its common ion

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
The spin-only magnetic moment of an ion with 3 unpaired electrons is about
A
1.73 BM
B
2.83 BM
C
3.87 BM
D
4.90 BM
View Correct Answer & Step-by-Step Solution
Correct Option:(C)3.87 BM

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
In acidic medium, KMnO₄ is reduced to
A
MnO₂
B
Mn²⁺
C
MnO₄²⁻
D
Mn
View Correct Answer & Step-by-Step Solution
Correct Option:(B)Mn²⁺

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: d- and f-Block Elements — 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 "d- and f-Block Elements" 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.