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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): [Pt(NH2)2Cl2] is tetrahedral.
Reason(R): The oxidation state of platinum is +2.
Assertion(A): [Pt(NH2)2Cl2] is tetrahedral.
Reason(R): The oxidation state of platinum is +2.
- a)Both Assertion and Reason are true and Reason is the correct explanation of assertion.
- b)Both Assertion and Reason are true and Reason is not the correct explanation of assertion.
- c)Assertion is true but Reason is false.
- d)Assertion is false but Reason is true.
Correct answer is option 'B'. Can you explain this answer?
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Assertion (A) Analysis
The statement asserts that [Pt(NH2)2Cl2] is tetrahedral.
- In coordination chemistry, the geometry of a complex is determined by the number of ligands and the coordination number of the central metal atom.
- Platinum (Pt) in this complex has a coordination number of 4 due to the two amine (NH2) and two chloride (Cl) ligands.
- However, platinum typically adopts a square planar geometry when it is in the +2 oxidation state, especially with d8 configuration.
Reason (R) Analysis
The reason states that the oxidation state of platinum is +2.
- This is indeed correct; platinum is in the +2 oxidation state in [Pt(NH2)2Cl2].
- The oxidation state does influence the geometry of the coordination complex.
Correct Answer Explanation
- Both Assertion (A) and Reason (R) are true. However, the reason provided does not correctly explain the assertion.
- The tetrahedral geometry is not typical for platinum(II) complexes, which tend to be square planar.
Thus, the correct choice is option B: Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Conclusion
- Assertion is true but misrepresents the geometry.
- Reason accurately describes the oxidation state but fails to justify the assertion.
The statement asserts that [Pt(NH2)2Cl2] is tetrahedral.
- In coordination chemistry, the geometry of a complex is determined by the number of ligands and the coordination number of the central metal atom.
- Platinum (Pt) in this complex has a coordination number of 4 due to the two amine (NH2) and two chloride (Cl) ligands.
- However, platinum typically adopts a square planar geometry when it is in the +2 oxidation state, especially with d8 configuration.
Reason (R) Analysis
The reason states that the oxidation state of platinum is +2.
- This is indeed correct; platinum is in the +2 oxidation state in [Pt(NH2)2Cl2].
- The oxidation state does influence the geometry of the coordination complex.
Correct Answer Explanation
- Both Assertion (A) and Reason (R) are true. However, the reason provided does not correctly explain the assertion.
- The tetrahedral geometry is not typical for platinum(II) complexes, which tend to be square planar.
Thus, the correct choice is option B: Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
Conclusion
- Assertion is true but misrepresents the geometry.
- Reason accurately describes the oxidation state but fails to justify the assertion.
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In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-Assertion(A): [Pt(NH2)2Cl2] is tetrahedral.Reason(R): The oxidation state of platinum is +2.a)Both Assertion and Reason are true and Reason is the correct explanation of assertion.b)Both Assertion and Reason are true and Reason is not the correct explanation of assertion.c)Assertion is true but Reason is false.d)Assertion is false but Reason is true.Correct answer is option 'B'. Can you explain this answer?
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