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Balance by ion electron method : Zn + Na...

Balance by ion electron method : `Zn + NaNO_3 rarr Na_2ZnO_2 + NH_3 + H_2O`

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 8-EXERCISE
  1. What is the oxidation number of Fe atom in K4[Fe(CN)6] molecule?

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  2. Balance the following Chemical equation by oxidation number method :-C...

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  3. Balance by ion electron method : Zn + NaNO3 rarr Na2ZnO2 + NH3 + H2O

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  4. Mention the oxidation number of Cr atom in CrO5 molecule.

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  5. What do you mean by ortho and para hydrogen ? explain why the chemical...

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  6. Lithium forms monoxide while sodium forms peroxide in the presence of ...

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  7. Which alkali metal is used for making photoelectric cells?

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  8. Both alkaline earth metals and their salts are diamagnetic in nature e...

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  9. What happens when sodium peroxide dissolves in water.

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  10. Dipole moment of vinyl chloride (CH2 = CHCI) is less than ethyl chlori...

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  11. Arrange the following ions in order of increasing basicit :- CH3CH2, C...

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  12. Which of two : O2N < H2CH2O or CH3CH2O^(-) is more stable and why?

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  13. Give example of an ambident nucleophile.

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  14. A 0.l (M) solution of acetic acid is 1.34% ionised at 25^@C. Calculate...

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  15. consider the reaction aX2(g)+bY2(g)overset(rarr)(larr)XY(g) theat and ...

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  16. What will be the effect of addition of an inert gas in the following e...

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  17. Give example of an acidic and an alkaline buffer solution. Explain the...

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  18. What concept can justify that NH3 + BF3 rarr NH3 BF3 is an acid base ...

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  19. How will you convert :- Carbon dioxide into carbon monoxide and carbon...

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  20. Explain why N(CH)3)3 is more basic than N(SiH3)3.

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