Q1. Which of the following statements is true regarding the complex [Cr(NH3)6]3+? (2023)
Solution:
The complex [Cr(NH3)6]3+ is octahedral with a coordination number of 6, as it is surrounded by six ammonia ligands.
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Q2. What type of isomerism is shown by the complex [Cr(en)3]3+? (2023)
Solution:
The complex [Cr(en)3]3+ shows optical isomerism because it contains bidentate ligands (en = ethylenediamine) that can create non-superimposable mirror images.
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Q3. What type of isomerism is shown by the complex [Co(en)2Cl2]+? (2021)
Solution:
The complex [Co(en)2Cl2]+ can exhibit optical isomerism due to the presence of bidentate ligands (en = ethylenediamine) which can create non-superimposable mirror images.
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Q4. What is the coordination number of the central metal ion in the complex ion [Co(NH3)6]3+? (2021)
Solution:
In the complex [Co(NH3)6]3+, there are six ammonia (NH3) ligands coordinated to the cobalt ion, giving it a coordination number of 6.
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Q5. Which of the following statements is true regarding the complex [Ag(NH3)2]+? (2023)
Solution:
[Ag(NH3)2]+ is a linear complex because silver (Ag) has a coordination number of 2 with two bidentate ligands.
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Q6. What type of isomerism is shown by the complex [Cr(en)2Cl2]+? (2023)
Solution:
The complex [Cr(en)2Cl2]+ can show optical isomerism due to the presence of bidentate ligands (en = ethylenediamine) which can create non-superimposable mirror images.
