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Which one of the following sepcies is di...

Which one of the following sepcies is diamagnetic in nature ?

A

`He_2^+`

B

`H_2`

C

`H_2^+`

D

`H_2^-`

Text Solution

Verified by Experts

The correct Answer is:
B
`He_(2)^(+) ,H_(2)^(-)` have `3` electronsone must be unpaired , `He_(2)^(+)` has one unpaired electrons . `H_2` has two electrons and thus diamagnetic .
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P BAHADUR-CHEMICAL BONDING-Exercise3
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  2. The bond order in NO is 2 . 5, while that inNO^+ is 3 Which statemen...

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  3. Which one of the following sepcies is diamagnetic in nature ?

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  4. Lattice energy of an ionic compound depedns upon :

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  5. Which of the following does not contain isoellectonic speices ?

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  6. Which of the following moelcules /ions does not contian upaired electr...

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  7. A metal, M from chaloride in its +2 and +4 oxidation states . Which of...

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  8. In which of the following molecules /ions , are all the bonds not equa...

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  9. The incrasing order of the first ionisation enthaplies of th elecments...

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  10. The dercreasing valuers of bond angles from NH3 (106^@) to SbH3 ( 101...

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  11. Which of the following species exhibits the diamangetic behaviour ?

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  12. In which of the following ionixation processes , the bond order has in...

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  13. Which of the following hydrogen bonds is the strongest ?

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  14. The charge /size ratio of a cation dermines its polarizing power. Whic...

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  15. Which one of the following pairs of species have the same bond order ?

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  16. Which one of the following constitutes a group of the is electronic sp...

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  17. Using MO theory predict which of the following sepcies has the shortes...

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  18. Which is not easily preciptated for a queous soultion ?

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  19. Number of paired electrons in O2 molecules is :

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  20. Which one is most ionic ?

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