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Calculate oxidation number of oxygen in ...

Calculate oxidation number of oxygen in `H_(2)O_(2)` .

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(i) hydrogen peroxide `(H_(2)O_(2))`
`2(+1) + 2x = 0 , rArr 2x = - 2x - 2 , rArr x = - 1 `
(ii) de-Broglie combined the following two equations of energy of which one reqresents wave character (Hu) and the other represents the particle nature `(mc^(2))`
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SURA PUBLICATION-PUBLIC EXAMINATION - MARCH 2019-Part - IV (Answer all Five questions:)
  1. Calculate oxidation number of oxygen in H(2)O(2) .

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  2. Derive de-Broglie equation.

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  3. State and explain Dobereiner's "Triad" .

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  4. Complet the following equation Na(2)O(2)+overset(?)("")rarrNa(2)SO(...

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  5. Among the alkaline earth metals BeO is insoluble in water but oxides ...

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  6. state Diffusion Law .

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  7. Calculate the entropy change during the melting of one mole of ice int...

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  8. Write the Balance chemical equation for the Kc= ([CaO(s)] [CO(2(g)...

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  9. NH(3) and HCI do not obey Henry's law. Why ?

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  10. Write the structure of the following compounds. NH(3)

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  11. Write the structure of the following compounds. BF(3)

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  12. Identify the cis and trans isomers for the following . compounds.

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  13. Explain with example the Positive Mesomeric Effect .

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  14. Write t he IUPAC name for the following compound CH(3)- underset(...

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  15. Write the IUPAC name for the following compound H(3)C-underset(CH(...

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  16. What are electrophiles and nucleophiles ? Give suitable examples for e...

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  17. How will you get the following product with the given reactants ? ...

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  18. How will you get the following product with the given reactants ? ...

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  19. How will you get the following product with the given reactants ? ...

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  20. Write any two different components you get during fractional distillat...

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