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What is the oxidation number .of oxygen ...

What is the oxidation number .of oxygen in `Na_2O_2`?

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 2-EXERCISE
  1. Mention the oxidation number of carbon atom in C6H12O6 molecule.

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  2. Balance the equations Cl2 + OH^(-) to Cl^(-) + ClO3^(-) + H2O

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  3. What is the oxidation number .of oxygen in Na2O2?

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  4. Balance . the following equation by oxidation number method : H2S + Cl...

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  5. What do you mean by ‘Non-stoichiometric hydrides'? Do you expect .this...

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  6. Which out of MgCO3, SrCO3 and BaCO3 possesses highest thermal stabilit...

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  7. Be and Mg do not give colour to flame whereas other alkaline earth met...

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  8. why are alkali metals stored in kerosene ?

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  9. What happens when calcium nitrate is heated.

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  10. CH3Cl is unreactive towards. SN^1 reaction.Why?

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  11. Dipole moment of nitrobenzene is greater than that of nitroethane.Why?

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  12. Give example of a non-nucleophilic anion.

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  13. Explain the orders of acidity of carboxylic acids. Cl3CCOOH > Cl2 CHCO...

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  14. State Le Chatelier's principle. Discuss the effect of pressure, concen...

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  15. Two moles of HI were heated in a scaled tube at 440^@Cuntil the equili...

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  16. Find out Kp//Kc for: CO(g)+frac 1/2 O2 (g) overset (rarr)(larr) CO2 (g...

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  17. What will be pH of the solution obtained by mixing 50 ml 0.1 (N) CH3CO...

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  18. What will happen when a solution of potassium chloride is added to a s...

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  19. Explain : Boric acid is a weak acid.

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  20. Explain :Tin (II) is reducing agent but Pb (II) is not.

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