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Among [Ni(CO)(4)], [NiCl(4)]^(2-), [Co (...

Among `[Ni(CO)_(4)], [NiCl_(4)]^(2-), [Co (NH_(3))_(4) Cl_(2)] Cl, Na_(3) [CoF_(6)], Na_(2)O_(2)` and `CsO_(2)`, the total number of paramagnetic compounds is

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
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IIT-JEE PREVIOUS YEAR (CHEMISTRY)-COORDINATION COMPOUNDS-PHYSICS
  1. Among [Ni(CO)(4)], [NiCl(4)]^(2-), [Co (NH(3))(4) Cl(2)] Cl, Na(3) [C...

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  2. Addition of excess aqueous ammonia to a pink coloured aqueous solution...

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  3. Match the complexes in Column I with their properties listed in Column...

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  4. A, B and C are three complexes of chromium (III) with the empirical fo...

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  5. Which of the following are all features of isomers of [Co (en)(3)] Cl(...

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  6. What is the relationship between the following two complex ions ? (I...

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  7. Which of the following complexes have doubtful existence ?

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  8. The paramagnetic complexes is (are)

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  9. Complexes expected to be coloured in solution is/are

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  10. In case of octahedral compex, if the e(g) orbitals (d(x^(2) - y^(2)) "...

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  11. In case of octahedral compex, if the e(g) orbitals (d(x^(2) - y^(2)) "...

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  12. In case of octahedral compex, if the e(g) orbitals (d(x^(2) - y^(2)) "...

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  13. Assertion [Ti (H(2)O)(6)] Cl(4) is colourless while [Sc (H(2)O)(6)] Cl...

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  14. Assertion [Ni (CO)(4)] has longer C-O bond length than the same in [C...

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  15. Match the quantity of Column I with the quantity of Column II

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  16. How many stereoisomers exist for the complex [Co (en)(2) ClNO(2)] Br ?

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  17. The complex Ca(2) [M (CN)](6) has spin only magnetic moment 2.83 BM an...

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