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Which of the following statements is fal...

Which of the following statements is false ?

A

`H_(2)` molecule has one sigma bond

B

HCl molecule has one sigma bond

C

Water molecule has two sigma bonds and two lone pairs.

D

Acetylene molecule has three pi bonds and thre sigma bonds.

Text Solution

Verified by Experts

Acetylene `(H-Cunderset(2pi" ")overset(1sigma" ")(-=)C-H)` has `3sigma and 2pi` bonds.
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DINESH PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -JEE (MAIN) & OTHER ENGINEERING ENTRANCE EXAMINATIONS
  1. The charge/size ratio of a cation determines its polarizing power. Whi...

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

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  3. Which of the following statements is false ?

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  4. N(2) and O(2) are converted into monocations, N(2)^(+) and O(2)^(+) r...

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  5. A neutral molecule XF(3) has a zero diple moment. The element X is mos...

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  6. The molecule having smallest bond angle is

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  7. Stability of the species Li(2), Li(2)^(-) and Li(2)^(+) increases in t...

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  8. In the of the following pairs of molecules /ions both the species are ...

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  9. Which of the following is diamagnetic ?

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  10. Number of antibonding electrons in O(2)^(-) molecular ion is :

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  11. The pair of compounds having identical shapes for their molecules is:

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  12. Which of the following properties is not shown by NO ?

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  13. In the formation of pi-bond, the atomic orbitals overlap in such a way...

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  14. The attractive force which holdes various constituents togrther in dif...

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  15. Which of the following stability order is correct ?

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  16. The number of lone pairs of electrons on central atom of H(2)O,SnCl(2)...

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  17. Which of the following changes in the respectively bond N(2) and F(2) ...

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  18. The species in which the N-atom is in a state of sp hybridisation is

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  19. Which of the following have least dipole moment?

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  20. The increassing order of bond order of O(2),O(2)^(+),O(2)^(-)and O(2)^...

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