Which is (are) disproportionation reaction(s)?

1.	Which is (are) disproportionation reaction(s)?
Answer» `2RCHOoverset("Al(OEt)"_3)rarrRCOOCH_2R` `4H_(3)PO_3overset(DELTA)rarr3H_3PO_4+PH_3` `PCl_(5)rarrPCl_(3)+Cl_(3)` `RCHOoverset(KOH)rarr"RCOOK" +RCH_2OH` SOLUTION : Disproportionation reactions are `2RCHO overset(Al("OEt")_3)rarr RCOOCH_2R` `4H_3PO_3 overset(Delta)rarr3H_(3)PO_(4)+PH_3` `RCHO overset(KOH)rarrRCOOK + RCH_2OH` In disproportionate reaction the same substance is simultaneously oxidised and reduced . While one atom of the substance acts as oxidant and ANOTHER atom of the substance acts as reductant.

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