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The bond order in O2^-ion is...

The bond order in `O_2^-`ion is

A

1

B

`1(1)/(2)`

C

2

D

`2(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`O_(2)^(-):KK(sigma2s)^(2)(sigma^(**)2s)^(2)(sigmap_(z))^(2)(pi2p_(x))^(2)(pi2p_(y))^(2)(pi^(**)2p_(x))^(2)(pi^(**)2p_(y))^(1)`
`"B.O."=(8-5)/(2)=1.5`
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MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-OBJECTIVE TYPE QUESTIONS (A. MULTIPLE CHOICE QUESTIONS)
  1. In an octahedral structure , the pair of d orbitals involved in d^(2)...

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  2. Which of the following has highest bond angle?

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  3. Which of the following molecules does not contain a lone pair of elect...

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  4. In which of the following, the central atoms has two lone pairs of ele...

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  5. What typs of hybridisation is possible in square planar molecules?

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  6. PCl(5) molecule has the following geometry :

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  7. In which of the following molecules are all the bonds not equal ?

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  8. Which of the following molecules/ins does not contain unpaired electro...

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  9. The bond order in O2^-ion is

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  10. If molecular axis is Z then which of the following overlaping is not p...

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  11. Which of the following is paramagnetic?

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  12. Which one of the following pairs consists of only paramagnetic species

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  13. The correct order of bond order values among the following (i) NO^(...

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  14. Which of the following is not paramagnetic?

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  15. The maximum bond strengths is in:

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  16. which of the following hydrogen bond is strongest in vapour phase ?

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  17. strongest hydrogen bonding is shown by

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  18. Which of the following has highest boiling point?

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  19. Which of the following has lowest boiling point?

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  20. Which of the following statement is not true about amorphous solids?

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