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Which of the following has maximum numbe...

Which of the following has maximum number of unpaired electrons?

A

Zn

B

`Fe^(2+)`

C

`Ni^(3+)`

D

`Cu^(+)`

Text Solution

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The correct Answer is:
C
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 22 -Physics & chemistry
  1. The product formed is an isobar, if there is

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  2. Which of the following reaction follows S(N^(1)) mechanism ?

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  3. Which of the following has maximum number of unpaired electrons?

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  4. In the reaction,SO(2)+2H(2)S to 3S+2H(2)O, the substance oxidised is

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  5. A 0.50 molal solution of ethylene glycol in water is used as coolant i...

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  6. Solution of 0.1 N NH(4)OH and 0.1 N NH(4)Cl has pH 9.25, then find out...

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  7. How many grams of CO(2) will be produced by the complete combustion of...

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  8. In which of the following reactions ether does not form ?

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  9. Which of the following sweeteners has the lowest sweetness value

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  10. In the Rosenmund's reaction RCOCl underset(H(2))overset(Pd/BaSO(4))(...

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  11. The first order rate constant for dissociation of N(2)O(5) is 6.2xx10^...

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  12. The IUPAC name of the compound

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  13. 30 volume hydrogen peroxide means

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  14. The gas phase reaction of nitric oxide and bromine yields nitrosyl bro...

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  15. Fungicides are organic compounds of

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  16. Reaction of esters with Grignard reagents give rise to :

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  17. Which of the metal carbonates is decomposed on heating ?

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  18. CO binds itself to metal atoms through

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  19. The compounds formed at anode in the electrolysis of an aqueous soluti...

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  20. In the periodic table actinides occupy

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