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Magnetic moments 2.84 B.M is given by : ...

Magnetic moments `2.84 B.M` is given by :
(At. nos. ni = 28, Ti = 22, Cr = 24, Co = 27).

A

`Ni^(2+)`

B

`Ti^(3+)`

C

`Cr^(2+)`

D

`Co^(2+)`

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-D AND F-BLOCK ELEMENT -COMPETITIVE THINKING
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  2. Which of the following ion is diamagnetic?

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  11. KMnO(4) can be prepared from K(2)MnO(4) as per the reaction 3MnO(4)^...

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  12. Upon heating poatssium permanganate, which of the following compou...

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  13. KMnO(4) in basic medium is reduced to

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  14. The number of moles of KMnO(4) reduced by 1 "mol of" KI in alkaline me...

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  15. When KMnO(4) is reduced with oxalic acid in acidic solution, the oxida...

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  16. The reaction of aqueous KMnO4 with H2 O2 in acidic conditions gives.

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  17. Name the gas that can readily decolourise acidified KMnO(4) solution:

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  18. The colour and magnetic nature of mangante ion (MnO(4)^(2-)) is

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  19. Solution of MnO(4)^(-) is purple-coloured due to :

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  20. Potassium permanganate is used.

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