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Correct order of electron affinity of el...

Correct order of electron affinity of elements F. O, N and Be is

A

`FgtO gtNgt Be`

B

`Fgt O gt Be gt N`

C

`Fgt Be gtO gt N`

D

`Ngt O gt Be gt F`

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AAKASH INSTITUTE ENGLISH-TEST 7-Exercise
  1. The orbital angular momentum of an electron which is present in p orbi...

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  2. What is the maximum number of orbital(s) that can be associated with t...

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  3. Correct order of electron affinity of elements F. O, N and Be is

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  4. Which of the following molecules has maximum dipole moment?

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  5. In which of the following species central atom is notsp^3 hybridized?

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  6. Bond order 2.5 is not observed in

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  7. Density of air (in g/L) at 307°C and 2 atm pressure is (Average molar ...

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  8. If for the reaction [2A(I) rarr 4B(g)] delta U and deltaS respectively...

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  9. For a sample of n mole of a perfect gas at constant temperature T (K) ...

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  10. Which one of the following pairs of solution is not an acidic buffer?

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  11. The number of atom in 8g of CH4 is approx:

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  12. Standard oxidation potential for the following half-cell reactions are...

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  13. The most acidic compound among the following is

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  14. Which one of the following is present as an active ingredient in bleac...

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  15. is Graphite isostructural with diamond?

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  16. General formula unit of cyclic silicates is

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  17. Define following: (i) Micelle

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  18. The number of atom in 16g of CH4 is approx:

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  19. The least stable conformation of n-butane is

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  20. Weight of CO required to react with [5 g Re2O7] to form [Re2 (CO)10], ...

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