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Read the passage given below and answer the following questions:
According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n−1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding. In these questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
Assertion (A): In the square planar complexes, the hybridisation involved is dsp2.
Reason (R): In [Ni(CN)4]2−. Here nickel is in +2 oxidation state and has the electronic configuration 3d8.
  • a)
    Assertion and reason both are correct statements and reason is correct explanation for assertion.
  • b)
    Assertion and reason both are correct statements but reason is not correct explanation for assertion.
  • c)
    Assertion is correct statement but reason is wrong statement
  • d)
    Assertion is wrong statement but reason is correct statement.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
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The dsp2 hybrid orbitals are inner orbital complexes in which the electrons get paired up due to the presence of a strong field ligand. So, the electron pairs of the ligands occupy one d orbital, one s orbital and then 2p orbitals in a square planar geometry.
The 2s orbital is mixed with all three of the 2p orbitals, creating four hybridized sp3 orbitals. Each of these has 25% s and 75% p character; electron repulsion favours a tetrahedral shape, so the orbitals are 109.5° apart from each other.
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Explanation:

Assertion and Reason Analysis:

The given assertion states that in square planar complexes, the hybridization involved is dsp2. The reason provided is that in [Ni(CN)4]2−, nickel is in a +2 oxidation state with an electronic configuration of 3d8.

Analysis of the Assertion:

- In square planar complexes, the central metal atom/ion has a coordination number of 4.
- For the dsp2 hybridization, the central atom/ion utilizes one s orbital, two p orbitals, and one d orbital to form four equivalent hybrid orbitals.
- These hybrid orbitals are used for bonding with the ligands in a square planar geometry.

Analysis of the Reason:

- In the complex [Ni(CN)4]2−, nickel is in a +2 oxidation state, which means it has lost two electrons.
- The electronic configuration of nickel in this case would be 3d8, indicating that there are 8 electrons in the d orbitals.

Conclusion:

- The assertion is correct because in square planar complexes, the dsp2 hybridization is indeed involved.
- The reason is also correct in stating the electronic configuration of nickel in the given complex.
- However, the reason is not a correct explanation for the assertion as it does not directly relate to the hybridization involved in square planar complexes.
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Read the passage given below and answer the following questions:According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n−1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding. In these questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Assertion (A): In the square planar complexes, the hybridisation involved is dsp2.Reason (R): In [Ni(CN)4]2−. Here nickel is in +2 oxidation state and has the electronic configuration 3d8.a)Assertion and reason both are correct statements and reason is correct explanation for assertion.b)Assertion and reason both are correct statements but reason is not correct explanation for assertion.c)Assertion is correct statement but reason is wrong statementd)Assertion is wrong statement but reason is correct statement.Correct answer is option 'B'. Can you explain this answer?
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Read the passage given below and answer the following questions:According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n−1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding. In these questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Assertion (A): In the square planar complexes, the hybridisation involved is dsp2.Reason (R): In [Ni(CN)4]2−. Here nickel is in +2 oxidation state and has the electronic configuration 3d8.a)Assertion and reason both are correct statements and reason is correct explanation for assertion.b)Assertion and reason both are correct statements but reason is not correct explanation for assertion.c)Assertion is correct statement but reason is wrong statementd)Assertion is wrong statement but reason is correct statement.Correct answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Read the passage given below and answer the following questions:According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n−1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding. In these questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Assertion (A): In the square planar complexes, the hybridisation involved is dsp2.Reason (R): In [Ni(CN)4]2−. Here nickel is in +2 oxidation state and has the electronic configuration 3d8.a)Assertion and reason both are correct statements and reason is correct explanation for assertion.b)Assertion and reason both are correct statements but reason is not correct explanation for assertion.c)Assertion is correct statement but reason is wrong statementd)Assertion is wrong statement but reason is correct statement.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the passage given below and answer the following questions:According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n−1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding. In these questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.Assertion (A): In the square planar complexes, the hybridisation involved is dsp2.Reason (R): In [Ni(CN)4]2−. Here nickel is in +2 oxidation state and has the electronic configuration 3d8.a)Assertion and reason both are correct statements and reason is correct explanation for assertion.b)Assertion and reason both are correct statements but reason is not correct explanation for assertion.c)Assertion is correct statement but reason is wrong statementd)Assertion is wrong statement but reason is correct statement.Correct answer is option 'B'. Can you explain this answer?.
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