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Balance by oxidation number method P4 +N...

Balance by oxidation number method `P_4 +NaOH + H_2O rarr NaH_2 PO_2 + PH_3`.

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UNITED BOOK HOUSE-THE SCOTTISH CHURCH COLLEGIATE SCHOOL QUESTION PAPER -EXERCISE
  1. Give the different conformation analysis and structure of ethyelcnc gl...

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

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  3. Balance by oxidation number method P4 +NaOH + H2O rarr NaH2 PO2 + PH3...

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  4. Determine the oxidation number of the element which is underlined :CrO...

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  5. At 25^@C at constant volume 7:8 gm benzene produce 326.4 kJ heat on co...

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  6. Write Hess's law.

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  7. Deduce the relation between enthalpy and internal energy for gaseous s...

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  8. Calculate the value of standard reaction enthalpy for the following re...

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  9. Signify the value of four quantum numbers.

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  10. The velocity of a proton is 10^3 ms^-1 and mass of it is 1.67 xx10^(-2...

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  11. Determine the velocity of the rotating electron in the third orbit of ...

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  12. A polymeric substance (C2F4)n, where n = a big number, the substance i...

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  13. Determine the equivalent weight of H3PO4 for the following reaction : ...

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  14. The relative equivalent weight of a solid, element is 17.8 and the spe...

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  15. A mixture-of 1.5 gm calcium carbonate and magnesium carbonate is stron...

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  16. How would you prove the presence of slight amount of CO in the air?

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  17. Give a comparative study of the structures of diamond and graphite. Ex...

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  18. From which compound H2O2 can be industrially prepared in most modern p...

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  19. What will be the "volume strength of 6.07% H2O2 solution calculate it.

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  20. Why the electron affinity of chlorine is higher than that fluorine?

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