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Complete the reaction. Cr(2)O(7)^(2-)...

Complete the reaction.
`Cr_(2)O_(7)^(2-)+Sn^(2+)+4^(+) to `

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Complete the following reactions : (i) Cr_(2)O_(7)^(2-)+Sn^(2+)+H^(+) to (ii) MnO_(4)^(-)+Fe^(2+)+H^(+) to

The reaction involves the oxidation of Sn^(2+)to Sn^(4+) ion the skeleton equation for the reaction is : Cr_(2)O_(7)^(2-)+Sn^(2+)+H^(+)rarrCr^(3+)+Snb^(4+)+H_(2)O Balance the equation by ion electron method.

Calculate the equilibrium constant for the reaction: 3Sn(s) +2Cr_(2)O_(7)^(2-) +28 H^(+) rarr 3Sn^(+4) +4Cr^(3+) +14H_(2)O E^(@) for Sn//Sn^(+2) = 0.136 V E^(@) for4 Sn^(2+)//Sn^(4+) =- 0.154V E^(@) for Cr_(2)O_(7)^(2-)//Cr^(3+) = 1.33V

Can the reaction, Cr_(2)O_(7)^(2-) + H_(2)O rarr 2CrO_(4)^(2-) + 2H^(+) be regarded as a redox reaction ?

Complete the following reactions: (a) Cr_2O_7^(2-) + 3SO_2 + 2H^(+) to 2Cr^(3+) + _____ + H_2O (b) Cr_2O_7^(-) + 3SO_3^(2-) + 8H^(+) to 2Cr^(3+) + "____ "+ 4H_2O (c ) Cr_2O_7^(2-) + 6Fe^(2+) + 14H^(+) to 2Cr^(3+) +" _____" + 7H_2O

Complete the chemical equations : Cr_2O_7^(2-) + H^(+) + I^(-) to

CBSE COMPLEMENTARY MATERIAL-PRACTICE PAPER 3-Very Short Answer Type Questions
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  8. Account for the following: The lowest oxide of transition metal is b...

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  9. Orange colour of Cr(2)O(7)^(2-) ion changes to yellow when treated wi...

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  10. Chemistry of actionoids is complicated as compared to lathanoids. Give...

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  11. How is the variability in oxidation state of transition metals differ...

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  17. When MnO2 is fused with KOH in the presence of KNO3 as an oxidising a...

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  18. Complete the reaction. MnO(4)+S(2)O(3)^(2-) +H(2)O to

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  19. When chromite ore FeCr(2)O(4) is fuse with NaOH in presence of air, a ...

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  20. Complete the reaction. Cr(2)O(7)^(2-)+Sn^(2+)+4^(+) to

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