1.

Which of the following statements is/are correct regarding the given reaction? xCu_3P + CrO_(7)^(2-)toCu^(2+)+H_3PO_4 +Cr^(3+)

Answer»

<P>Cuin ` Cu_3` PIS oxidisedto `Cu^(2+)` and Pin`Cu_3`P isalsooxidised to ` PO_(4)^(3-)`
Cuin `Cu_3`P isoxidisedto `Cu^(2+)`wheres PIn`Cu_3 `Pis reducesto `H_3PO_4`
11electrons areinvolvedin theconversionof`Cu_3 P " to"Cu^(2+)andH_3PO_4 `
the valueof Xis6.

Solution :`4H_2 O +overset(+1) CU_3overset(-3) Pto3Cu^(2+) +H_3 overset(+5) PO_4 + 11 e ^(-)+ 5 H^+xx 6`


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