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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-QUESTION PAPER 2016-EXERCISE
  1. Judge the spontaneity of the following reaction at 298 K temperature a...

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  2. Mention the oxidation number of two chlorine atoms in Ca(OCl)Cl molecu...

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

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  4. What is the oxidation number of N atom is NaN3 molecule?

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  5. Balance the following chemical equation by ion electron method : MnO...

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  6. A water sample contains 1 millimole ofMg^(2+) ion per litre. calculate...

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  7. What do you understand by "Trailing of Mercury?

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  8. What do most of the lithium salts are present as hydrate one?

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  9. Which of the alkaline earth metal hydroxide are amphoteric in nature.

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  10. What is hydrohlith?

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  11. Why does BF3 behave as Lewis acid?

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  12. Write with equation what happens when? Water is added to calcium carbi...

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  13. Write with equation what happens when? Enthyl alcohol is heated with c...

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  14. By which property the stability of (CH3)3C^+ ion could be explained?

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  15. Why methane coild not be prepared by Wurtz reaction?

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  16. State law of mass action.

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  17. For the reaction N2 + 3H2 harr 1/2 N2 + 3/2 H2 is K2. Then calculat...

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  18. Calculate the pH 0.01 (m) ch3COOH at 25^@C. (Given dissociation con...

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  19. What is buffer solutio? Give one example of acidic buffer. In which ca...

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  20. Why does dissociation rate H2S is decreased in presence of HCL in aque...

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