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In the anion HCOO^- , the carbon-oxygen ...

In the anion `HCOO^-` , the carbon-oxygen bonds are found to be of equal length. This is due to :

A

the anion `HCOO^-` has two resonating structure

B

the anion is obtained by removal of a proton form the acid molecule

C

electronic orbitals of carbon are hybridised

D

the `C=O` bond is weaker than the `C-O` bond

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The correct Answer is:
A
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P BAHADUR-CHEMICAL BONDING-Exercise3
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  2. The pair of species having identical shape of both species :

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  3. In the anion HCOO^- , the carbon-oxygen bonds are found to be of equal...

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  4. The correct order of nond angles is :

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  5. The states of hybridisation of borom and oxygen atoms in boric acid (H...

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  6. Which has regular terrahedral gementory ?

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  7. The maximum number of 90^@ angles hetween bond pair -bond pair of ele...

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  8. The bond order in NO is 2 . 5, while that inNO^+ is 3 Which statemen...

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

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  10. Lattice energy of an ionic compound depedns upon :

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

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

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

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

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

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

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

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

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

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

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