write the net ionic equation for the reaction of potassium dichromate with sodium sulphite inacid solution togive chromium ion and sulphate ion.
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14H+ +Cr2O7(-2)---->2Cr+3 +7H2O-6e
H2O+SO3(-2)----> SO4(-2) +2H+ +2e
now net ionic reaction is
3SO3(-2)+Cr2O7 (-2) +8H+ ---->2Cr+3 +4H2O + 3SO4 (-2)
H2O+SO3(-2)----> SO4(-2) +2H+ +2e
now net ionic reaction is
3SO3(-2)+Cr2O7 (-2) +8H+ ---->2Cr+3 +4H2O + 3SO4 (-2)
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