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What is the oxidation state of Zn in Zn...

What is the oxidation state of Zn in Zn-Hg ?

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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2017-WBCHSE 2017 (SECTION II)
  1. Which is stronger oxidising agent between CO(2) and PbO(2) and why ?

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  2. Which one is more stable between BCl(3) and TlCl(3) and why ?

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  3. What is the oxidation state of Zn in Zn-Hg ?

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  4. Calculate the bond order of [He-H]^(+) from molecular orbital theory .

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  5. Both Br(2) (g) and NO(2) (g) are reddish brown gaseous substances . Ho...

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  6. What will be the order of covalent character of the following compoun...

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  7. Write the van der Waals equation for real gas ? Write the unit of a a...

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  8. What will be the ratio of rate of diffusion of ""(235) UF(6) and ""^(2...

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  9. Heat of combustion of benzene is x J * mol^(-1) . Heat of formation of...

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  10. Boiling point of ethanol is 78.4 ^(@) C . Change in enthalpy duri...

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  11. Calculate the oxidation state of sulfur in H(2)SO(5) .

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  12. P(4) + 3 NaOH + 3 H(2) O to PH(3) + 3 NaH(2) PO(2) What is the equival...

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  13. What is the oxidation state of Cr in CrO(5) ?

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  14. Balance the equation by ion-electron method : MnO(4)^(-) + SO(2) + ...

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  15. BaO(2) is a peroxide , but MnO(2) is not a peroxide Explain .

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  16. What is Calgon ?

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  17. What happens when LiNO(3) is strongly heated ? Write down the equation...

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  18. Which two alkaline earth metals cannot be identified by flame test ?

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  19. Write down the perparation of Plaster of Paris with equation .

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  20. Is-2- hydroxypropanoic acid optically active ? Explain .

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