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NEET Exam  >  NEET Tests  >  Chemistry Class 12  >  Assertion & Reason Test: d & f-Block Elements - NEET MCQ

Assertion & Reason Test: d & f-Block Elements - NEET MCQ


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10 Questions MCQ Test Chemistry Class 12 - Assertion & Reason Test: d & f-Block Elements

Assertion & Reason Test: d & f-Block Elements for NEET 2024 is part of Chemistry Class 12 preparation. The Assertion & Reason Test: d & f-Block Elements questions and answers have been prepared according to the NEET exam syllabus.The Assertion & Reason Test: d & f-Block Elements MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion & Reason Test: d & f-Block Elements below.
Solutions of Assertion & Reason Test: d & f-Block Elements questions in English are available as part of our Chemistry Class 12 for NEET & Assertion & Reason Test: d & f-Block Elements solutions in Hindi for Chemistry Class 12 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Assertion & Reason Test: d & f-Block Elements | 10 questions in 20 minutes | Mock test for NEET preparation | Free important questions MCQ to study Chemistry Class 12 for NEET Exam | Download free PDF with solutions
Assertion & Reason Test: d & f-Block Elements - Question 1
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Cu2+ iodide is not known.

Reason (R): Cu2+ oxidises I– to iodine.

Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 1
Cu2+ oxidises iodide to iodine hence cupric iodide is converted to cuprous iodide.
Assertion & Reason Test: d & f-Block Elements - Question 2
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Separation of Zr and Hf is difficult.

Reason (R): Because Zr and Hf lie in the same group of the periodic table.

Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 2
Separation of Zr and Hf is difficult as both have the same size.
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Assertion & Reason Test: d & f-Block Elements - Question 3
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Transition metals have low melting points.

Reason (R): The involvement of greater number of (n – 1)d and ns electrons in the interatomic metallic bonding.

Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 3
Transition metals have high melting points because of the involvement of greater number of (n – 1)d and ns electrons in the interatomic metallic bonding.
Assertion & Reason Test: d & f-Block Elements - Question 4
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion: Separation of Zr and Hf is difficult.

Reason: Because Zr and Hf lie in the same group of the periodic table.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 4
Separation of Zr and Hf is difficult as both have same size.
Assertion & Reason Test: d & f-Block Elements - Question 5
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Chemistry of Actinoids is more complicated than Lanthanoids.

Reason (R): Actinoid elements are radioactive in nature.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 5
Chemistry of actinoids is more complicated than Lanthanoids because actinoids are radioactive elements having relatively short half-lives.
Assertion & Reason Test: d & f-Block Elements - Question 6
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): The highest oxidation state of osmium is +8.

Reason (R): Osmium is a 5d-block element.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 6
The highest oxidation state of osmium (Os) is +8. It is due to its ability to expand octet by using its all 8 electrons.
Assertion & Reason Test: d & f-Block Elements - Question 7
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Cu cannot liberate hydrogen from acids.

Reason (R): Because it has positive electrode potential.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 7
Copper (Cu) does not liberate hydrogen from acids due to the presence of positive electrode potential.
Assertion & Reason Test: d & f-Block Elements - Question 8
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Transition metals have high melting point.

Reason (R): Transition metals have completely filled d-orbitals.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 8
Transition metals have high melting points because of the involvement of greater number of (n – 1)d and ns electrons in the interatomic metallic bonding.
Assertion & Reason Test: d & f-Block Elements - Question 9
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Chromium is an actinoid.

Reason (R): In Chromium, 3d orbitals are filled.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 9
Chromium is a transition element and it belongs to 3d series because in chromium, 3d orbitals are filled.
Assertion & Reason Test: d & f-Block Elements - Question 10
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Directions: In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as.

Assertion (A): Cerium (Ce) exhibits +4 oxidation state.

Reason (R): Ce4+ has 4f4 electronic configuration which is less stable.
Detailed Solution for Assertion & Reason Test: d & f-Block Elements - Question 10
Cerium exhibits +4 oxidation state because Ce4+ has 4f0 electronic configuration which is most stable.
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