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Balance the following equations: (i) C...

Balance the following equations:
(i) `Cr_(2)O_(7)^(2-)+I^(-)+H^(+)rarrCr^(3+)+I_(2)+H_(2)O`
(ii) `Ag^(+)+AsH_(3)rarrH_(3)AsO_(3)+H^(+)+....`

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(i) `Cr_(2)O_(7)^(2-)+6I^(-)+14H^(+)rarr2Cr^(3+)+3I_(2)+7H_(2)O`
(ii) `6Ag^(+)+AsH_(3)+3H_(2)Orarr6Ag+6H^(+)+H_(3)AsO_(3)`
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P BAHADUR-REDOX REACTIONS-Exercise(2) previous year numerical problems
  1. Indicate the oxidation number of underlined, Ba(H(2)ul(P)O(2))(2)

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  2. Balance the following equations: (i) Cr(2)O(7)^(2-)+I^(-)+H^(+)rarrC...

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  3. Arrange the following in order of: (a) Increasing oxidation no: M...

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  6. Dichromate ion in acid solution oxidizes stannous ion as: 3Sn^(2+)+1...

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  7. 5.5 g of a mixutre of FeSO4.7H2O and Fe2(SO4)3.9H2O requires 5.4 " mL ...

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  9. In an ore, the only oxidizable material is Sn^(2+). This ore is titrat...

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  10. 20 mL of a solution containing 0.2g of impure sample of H(2)O(2) react...

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  11. 25 mL of H(2)O(2) solution were added to excess of acidified solution...

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  12. Hydrogen peroxide solution (20 mL) reacts quantitatively with a soluti...

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  13. 0.56 g of lime stone was treated with oxalic acid to give CaC(2)O(4). ...

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  14. 5.7 g of bleaching powder was suspended in 500 mL of water. 25 mL of t...

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  15. A solution of 0.2 g of a compound containing Cu^(2+) and C(2)O(4)^(2-)...

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  16. 1 g sample of AgNO(3) is dissolved in 50 mL of water, It is titrated w...

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  17. 1.6 g of pyrolusite ore was treted with 50 " mL of " 1.0 N oxalic acid...

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  18. An aqueous solution containing 0.10 g KIO(3) (formula weight=214.0) wa...

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  19. A sample of MnSO(4). 4H(2)O is strongly heated in air. The residue ( M...

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  20. A sample of hydrazine sulphate (N(2)H(6)SO(4)) was dissolved in 100 mL...

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