1.

Give the balanced chemical equation of the following reactions: (i) Neutralization of NaOH with ethanoic acid. (ii) Evolution of carbon dioxide by the action of ethanoic acid with the NaHCO_(3). (iii) Oxidation of ethanol by acidified potassium dichromate. (iv) Combustion of ethanol.

Answer»

Solution :(i) Neutralization reaction:
`underset("Acetic acid")(CH_(3)COOH)+underset("Sodium HYDROXIDE")(NaOH)rarrunderset("Sodium acetate")(CH_(3)COONa)+H_(2)O`
(II) Evolution of `CO_(2)`:
`CH_(3)COOH+NaHCO_(3)rarrCH_(3)COONa+H_(2)O+CO_(2)`
(iii) Oxidation of ethanol by `K_(2)Cr_(2)O_(7)`:
`CH_(3)CH_(2)OHunderset(2[O])overset(K_(2)Cr_(2)O_(7)|H^(+))rarrunderset("ETHANOIC acid")(CH_(3)COOH)+H_(2)O`
(iv) Combustion of ethanol:
`C_(2)H_(5)OH+3O_(2)rarr2CO_(2)+3H_(2)O`


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