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According to Werner's theory, the primar...

According to Werner's theory, the primary valencies of the central metal atom

A

are satisfied by negative ions or neutral molecules

B

are satisfied by negative ions

C

are equal to its coordination number

D

decide the geometry of the complex

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Verified by Experts

The correct Answer is:
A
A transition metal complex absorbs visible light only if it has unpaired electrons.

No unpaired electron so , does not absorb visible light.
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MTG GUIDE-COORDINATION COMPOUNDS-CHECK YOUR NEET VITALS
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  2. When one mole of each of the following complex salts is treated with e...

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  3. Among [Fe(H2O6]^(3+), [Fe(CN)6]^(3-), [Fe(Cl)6] species, the hybridisa...

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  4. Which of the following ions is paramagnetic?

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  5. [Cr(H2O)6] Cl3 , (At. no. of Cr=24) has a magnetic moment of 3.83 B.M....

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  6. The geometry of [Ni(CO)4] and [Ni(PPh3)2 Cl2] are

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  7. IUPAC name of [Pt(NH3),CI(NO2)] is

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  8. Which of the following will form an inner octahedral complex?

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  9. Which is not true about the coordination compound [Co("en")2Cl2]CI ?

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  10. A complex compound of Co^(3+) with molecular formula CoCl(x.y)NH3 gi...

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  11. Match the entries of Column I with appropriate entries of Column II an...

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  12. The complex which involves outer orbital hybridisation of central meta...

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  13. Effective atomic number (EAN) of Fe in brown ring complex [Fe(H2O)5NO]...

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  14. Which of the following statements is correct about the given complex?

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  15. Which of these statements about [Co(CN)6]^(3-) is true?

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  16. The hybridisation involved in complex [Ni(CN)4]^(2-) is (At. No. Ni =...

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  17. The name of complex ion, [Fe(CN)6]^(3-) is

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  18. The sum of coordination number and oxidation number of the metal M in ...

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  19. Number of possible isomers for the complex [Co("en")2Cl2]Cl will be (...

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  20. Which of the following has longest C-O bond length? (Free C - O bond l...

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