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Name the element having highest electron...

Name the element having highest electron affinity.

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 1-EXERCISE
  1. 2.49 xx 10^-18 g of an element. A contains 2.0 xx 10^4 atoms. What is,...

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  2. In which block element lanthanoid Contraction observe?

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  3. Name the element having highest electron affinity.

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  4. Which type of property internal energy is?

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  5. Baeyer's reagent is -

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  6. A compound composed of carbon,hydrogen and chlorine contains C = 10.04...

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  7. State Paulils exclusion principle. Give an example of an ion which obe...

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  8. Explain, why 3f orbital does not exist. Far how many electrons of Cl-a...

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  9. Suggest reasons why the B-F bond length in BF3 (130 Pm) and BF4^- (143...

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  10. How will you convert a mixture of CO and CO2 completely into CO ?

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  11. How will you convert a mixture of CO and CO2 completely into CO ?

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  12. (CH3)3C-Cl, is unreactive, towards SN^2 reaction.Why?

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  13. Write one effect of depletion of ozone layer and one measure for the p...

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  14. Give the electronic configuration of 24Cr^(3+). Find the .number of un...

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  15. Why ionisation enthalpy of nitrogen is greater than that of oxygen ato...

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  16. Which one of the following elements has the least electron affinity? B...

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  17. Which one is more basic and why-mGo & Al(2)O(3)?

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  18. The general electronic configuration of d-block elements is

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  19. According to VSEPR theory explain the shape of ClF3.

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  20. “CCI4 does not have any hydrolysis lent SiCl4 suffers hydrolysis— Why?

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