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Cr(2)O(7)^(2-)overset(H^(+))rarrCr^(3+),...

`Cr_(2)O_(7)^(2-)overset(H^(+))rarrCr^(3+)`, Eq. wt. of `Cr_(2)O_(7)^(2-)` is :-

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Cr_(2)O_(7)^(2-)overset(pH=x)rarrCrO_(4)^(2-)overset(pH=y)rarrCr_(2)O_(7)^(2-) x and y can be :

Cr_(2)O_(7)^(2-)overset([H^(+)])rarrCrO_(4)^(-2)overset((H^(+))rarrCr_(2)O_(7)^(2-) Values of (H^(+)) would be respectively :-

In the following redox reactionn, Cr_(2)O_(7)^(2-) + Fe^(2+) to Fe^(3+) + Cr^(3+) 1 mole of Cr_(2)O_(7)^(2-) oxidises.

Cr_(2)O_(7)^(2-)+Xoverset(H^(o+))rarrCr^(3+)+H_(2)O+ "oxidised product" of X, X in the above reaction cannot be

Find the valency factor for following redox reactions : (ii) K_(2)Cr_(2)O_(7)overset("acidic")rarr Cr^(3+) (iii) C_(2)O_(4)^(2-)rarrCO_(2)

Balance the following equations by ion electron method: Cr_(2)O_(7)^(2-) + C_(2)H_(4)O+H^(o+) rarr 2Cr^(3+) + C_(2)H_(4)O_(2) + H_(2)O

In the reaction: Cr_(2)O_(7)^(2-) + 14H^(o+) + 6I^(Ө) rarr2Cr^(3+) + 3H_(2)O + 3I_(2) Which element is reduced?

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)

A: Cr_(2)O_(7)^(2-) becomes equilibrium with CrO_(4)^(2-) at PH > 5 R: Cr_(2)O_(7)^(2-) is tetrahedral having Cr -O- Cr angle109^(@)28

RESONANCE ENGLISH-EQUIVALENT CONCEPT & TITRATIONS-APSP (Part-I)
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  15. In the following reaction 2MnO(4^(-))+5H(2)O(2)^(18)+6H^(+)rarr2Mn^(2+...

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  16. One gram equimolecular mixture of Na(2)CO(3) and NaHCO(3)is reacted wi...

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  17. Which of the following is not a redox reaction ?

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  18. Equivalent weight of chlorine molecule in the equation is : 3Cl(2)+6...

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  19. Cr(2)O(7)^(2-)overset(H^(+))rarrCr^(3+), Eq. wt. of Cr(2)O(7)^(2-) is ...

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  20. One mole of acidified K2Cr2O7 on reaction with excess KI will liberate...

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