Q. No.Assertion(A): Ni++ has two unpaired electrons.
Reason(R): Electrons are removed from 3d but not from 4s.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
Reason(R): Electrons are removed from 3d but not from 4s.
1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
Subtopic: d-Block Elements- Properties & Uses |
76%
From NCERT
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Given below are two statements:
| Assertion (A): | Cr2+ acts as a reducing agent and Mn3+ acts as an oxidising agent when both have d4 configuration. |
| Reason (R): | The maximum oxidation state Cr show is +5 and Mn shows is +7. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: d-Block Elements- Properties & Uses |
58%
From NCERT
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| Assertion (A): | The highest oxidation state of osmium is +8 . |
| Reason (R): | Osmium is a 5d-block element. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: d-Block Elements- Properties & Uses |
64%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | Cu cannot liberate hydrogen from acids. |
| Reason (R): | Because it has positive electrode potential. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is not true but (R) is true |
| 4. | Both (A) and (R) are false. |
Subtopic: d-Block Elements- Properties & Uses |
88%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | Separation of Zr and Hf is difficult. |
| Reason (R): | Because Zr and Hf lie in the same group of the periodic table. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is not true but (R) is true |
| 4. | Both (A) and (R) are false. |
Subtopic: d-Block Elements- Properties & Uses |
64%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Assertion (A) C iodide is not known.
Reason (R) C oxidises to iodine.
1. Both assertion and reason are true, and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of assertion.
3. Assertion is not true but the reason is true.
4. Both assertion and reason are false.
Subtopic: d-Block Elements- Properties & Uses |
72%
From NCERT
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| Statement I: | Cr2+ is a stronger reducing agent than Fe2+ . |
| Statement II: | Fe2+ is a stronger reducing agent than Cr2+ . |
1. Both statements I and II are true.
2. Statement I is true and statement II is false.
3. Both statements I and II are false.
4. Statement I is false, statement II is true.
Subtopic: d-Block Elements- Properties & Uses |
66%
From NCERT
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| Statement 1: | Highest oxidation state of a metal is exhibited in its oxide or fluoride only. |
| Statement 2: | Both oxide and fluoride ions are able to oxidise metals. |
1. Statement 1 is true, statement 2 is false.
2. Statement 1 is false, statement 2 is true.
3. Both statements are true.
4. Both statements are false.
Subtopic: d-Block Elements- Properties & Uses |
76%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
| Statement 1: | Silver atom has completely filled d orbitals (4d10) in its ground state. |
| Statement 2: | Silver is not a transition element. |
1. Statement 1 is true , statement 2 is false.
2. Statement 1 is false, statement 1 is true.
3. Both statements are true.
4. Both statements are false.
Subtopic: d-Block Elements- Properties & Uses |
67%
From NCERT
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Consider the following graph.
Based on the graph above, it can be concluded that the element with a melting point higher than 3000 K will be:
| 1. | Y | 2. | X |
| 3. | Z | 4. | None of the above |
Subtopic: d-Block Elements- Properties & Uses |
89%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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