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Balance the equation by ion-electron met...

Balance the equation by ion-electron method :
`MnO_(4)^(-) + SO_(2) + H_(2)O to Mn^(2+) + SO_(4)^(2-) + H^(+)`

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CHHAYA PUBLICATION-PREVIOUS YEAR QUESTION PAPER 2017-WBCHSE 2017 (SECTION II)
  1. P(4) + 3 NaOH + 3 H(2) O to PH(3) + 3 NaH(2) PO(2) What is the equival...

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

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

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

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  5. What is Calgon ?

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

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

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

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

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  10. 20 g of NaOH is present in 250 mL of H(2) O . Calculate the active ma...

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  11. State Le-Chateliers principle.

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  12. N(2) (g) + 3 H(2) (g) hArr 2 NH(3) (g) NH(3) is x . Express K(p) of ...

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  13. Is aqueous solution of Borax basic ? Explain .

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  14. Calculate the pH of 0.05 (M) H(2) SO(4) solution .

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  15. What is the formula of conjugate base of [Al (H(2)O)(6)]^(3+) ?

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  16. C Cl4 does not undergo hydrolysis but SiCl4 undergoes ready hydrolysis...

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  17. What happens when boric acid solution is mixed with KHF(2) solution ? ...

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  18. Draw one canonical structure of O(2) .

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  19. Draw structural formula of compound from A to F . CH(3) - CH = CH - ...

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  20. Draw structural formula of compound from A to F . CHCl(3) overset(" ...

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