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The paramagnetic ion among the following...

The paramagnetic ion among the following is

A

`[Ni(CN)_(4)]^(2-)`

B

`[Mn(CN)_(6)]^(4-)`

C

`[Zn(NH_(3))_(4)]^(2+)`

D

All of these

Text Solution

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The correct Answer is:
B
In `[Mn(CN)_(6)]^(4-),Mn^(2+)` have one unpaired electron. Hence, it is paramagnetic.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 10-PAPER 1 (PHYSICS & CHEMISTRY)
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  2. A compound X on heating gives a colourless gas. This residue is dissol...

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  3. The coordination number of a central ion may be obtained from

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  4. Identify product P in the following reaction sequence. CH(3)CH(2)OH ...

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  5. The monomor of

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  6. CH(3)CONH(2) overset(?)to CH(3)CN overset("Reduction")to amine. In the...

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  7. In the reaction, R-C-=N+4(H)overset(X)toRCH(2)NH(2) X can be

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  8. Antibodies are

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  9. The empirical formulae of monomer and polymer are same in case of

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  10. Which of the following is not the correct mathing of medicine and the ...

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  11. How many electron pairs are present in valence shell of oxygen in wt...

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  12. Gas equation PV = nRT is obeyed by

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  13. The paramagnetic ion among the following is

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  14. Which of the following will not be soluble in sodium hydrogen carbonat...

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  15. Which of the following acids gives CO(2) on heating?

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  16. To replace -N(2)^(+)Cl group by -F group, benzene diazonium chloride i...

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  17. Which one of the following is a peptide hormone ?

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  18. Which is a false statement?

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  19. CH(3)CH(2)Cl undergoes homolytic fission, produces

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  20. Which compound cannot be formed from Wurtz

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