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In which of the following pairs of molec...

In which of the following pairs of molecules/ions, both the species are not likely to exist?

A

`H_(2)^(+),He_(2)^(2-)`

B

`H_(2)^(-) , He_(2)^(2-)`

C

`H_(2)^(2+) , He _(2)`

D

`H_(2)^(-) , He_(2)^(2+)`

Text Solution

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The correct Answer is:
C
`H_(2)^(2+) , He _(2)`
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ICSE-CHEMICAL BONDING AND MOLECULAR STRUCTURE-OBJECTIVE ( MULTIPLE CHOICE ) TYPE QUESTIONS
  1. For which of the following molecule significant mu ne 0?

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  2. Which one of the following molecules is expected to exhibit diamagneti...

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  3. In which of the following pairs of molecules/ions, both the species ar...

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  4. Among the following, the maximum covalent character is shown by the co...

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  5. The types of hybrid orbitals of nitrogen in NO(2)^(+), NO(3)^(-) and N...

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  6. The number of types of bonds between two carbon atoms in calcium carbi...

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  7. Which of the following pairs of ions are isoelectronic and isostructur...

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

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  9. Magnesium reacts with an element (x) to form an ionic compound. If the...

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  10. Consider the following species : CN^(+) ,CN^(-) ,NO and CN Which...

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  11. Iron carbonyl, Fe(CO)5 is

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  12. Which one is a wrong statement?

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  13. According to molecular orbital theory, which of the following will not...

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  14. Which of the following compounds contain(s) no covalent bond(s)? K...

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  15. Total number of lone pair of electrons in I(3)^(-) ion is

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  16. Which of the following diatomic molecular species has only pi at bonds...

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  17. Among the following species, the diamagnetic molecule is :

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  18. HF has highest boiling point among hydrogen halides, because it has:

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  19. Among the following, the molecule expected to be stabilized by anion f...

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  20. Among the following molecules/ions C(2)^(2-),N(2)^(2-),O(2)^(2-),O(2) ...

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