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Impossible orbital among the following i...

Impossible orbital among the following is:

A

2s

B

3f

C

2p

D

4d

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UNITED BOOK HOUSE-KALIDHAN INSTITUTION QUESTION PAPER-EXERCISE
  1. Impossible orbital among the following is:

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  2. Which one of the following contains ionic, covalent and coordinate bon...

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  3. Which one of the following has the shortest bond length?

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  4. The rate of diffusion of methane is twice that of x.The molecular mass...

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  5. Equation of Boyle’s law is :

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  6. For a spontaneous reaction, the DeltaG equlibrium constant (K) and E(...

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  7. Entrophy of a substance is expressed in the units :

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  8. Which one does not exhibit a positive oxidation state in its compounds...

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  9. Oxidation number of Cr in CrO3 in the same as that of S in :

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  10. The order of decreasing ionisation enthalpy in alkali metal is:

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  11. The correct order of mobility of the alkali metal ions inaqueous solut...

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  12. The correct order of second ionisation potential of carbon, nitrogen, ...

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  13. Which of the following is smallest in size?

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  14. The number of molecules 67.2 L of a gas at 0^@C and 1 atm pressure is:

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  15. Fill in the blank.The gram atoms contains in 5 g of calcium are.

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  16. Fill in he blank.The number of molecules in 8 gm of methane is.

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  17. Give one example of extensive properly.

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  18. Write the unit of alphaused in Vanderwaal’s equation.

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  19. What is effusion?

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  20. Give an example of a compound having trigonal bipyramidal structure.

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