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Which is the correct Lewis structure of ...

Which is the correct Lewis structure of Helium?

A

`overset(.)He.`

B

`overset(..)He.`

C

`underset(..)overset(..)He`

D

`overset(..)He`

Text Solution

Verified by Experts

The correct Answer is:
D
Helium has only two electrons in its valence shell which is represented as a pair of dots (duplet).
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FULL MARKS-CHEMICAL BONDING -ADDITIONAL QUESTIONS SOLVED (CHOOSE THE CORRECT ANSWER.)
  1. Which is the correct Lewis structure of Helium?

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  2. Which one of the following has coordinate covalent bond?

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  3. Which one of the following bond is stronger ?

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  4. Draw the molecular structure of water.

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  5. Which one of the following is true?

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  6. Among underset(* *)overset(* *)O=C=underset(* *)overset(* *)O and :O-=...

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  7. Which is the correct lewis structure of BF(3)?

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  8. Statement I : In sulphur hexafluoride, the central atom has more than ...

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  9. Which one of the following molecule has complete octet?

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  10. Which one of the following is not a statement?

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  11. Which one of the following is an ionic or saline hydride?

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  12. During the formation of I mole of KCI crystal. the amount of energy re...

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  13. Which one of the following is not a covalent hydride?

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  14. The distance between the nuclei of the two covalently bonded atoms is ...

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  15. Length cannot be measured by ……………

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  16. The value of carbon-carbon single bond length is ……………………

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  17. The value of carbon-carbon double bond length is ……………………

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  18. The value of carbon-carbon triple bond length is …………….

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  19. Among the following which one has bond order as 3?

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  20. Which one of the following has bond order as 2 ?

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