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Which of the following is the correct el...

Which of the following is the correct electronic configura-tion of Ni in `Ni(CO)_4`?

A

`[Ar]3r^84s^2`

B

`[Ar]3d^(10)4s^(10)`

C

`[Ar]3d^84s^0`

D

`[Ar]3d^94s^1`

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UNITED BOOK HOUSE-2015 QUESTION PAPER -EXERCISE
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  2. Which of the following is the most effective in bringing about the coa...

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  3. Which of the following is the correct electronic configura-tion of Ni ...

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  4. A molecule has the following structure. Which one is the IUPAC name of...

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  5. Which of the following will respond to Cannizzaro reaction?

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  6. In which of the following peptide bond is present?

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  7. Among the following which is artificial sweetening agent?

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  8. Give an example of a soap and indicate its nonpolar and polar parts.

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  9. What is the magnetic character of Cu^+ ion?

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  10. Which trivalent ion among lanthanoids has the largest size?

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  11. What happens when NaCI solution is added to a gold sol?

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  12. The specific conductance of a 0.20 mol L^-1 solution of KCI at 300 K i...

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  13. Write down the reactions occuring at the two electrodes when current i...

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  15. Explain, with reason, the nature of variation of the vapour pressure o...

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  16. What is a micelle? Give two examples of micelle forming substances.

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  18. What is the hybridisation state of Xenon in XeOF4? What is the shape o...

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  19. Complete and balance the following reaction: Na2O2 + ClO2 rarr

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  20. [Ti(H(2)O)(6)]^(3+) is coloured while [Sc(H(2)O)(6)]^(3+) is colourles...

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