1.

If CH_(3)COOH + OH^(-) rarr CH_(3)COO^(-) + H_(2)O + x kJ H^(+) + OH^(-) rarr H_(2)O + y kJ The enthalpy change for the reaction : CH_(3)COOH rarr CH_(3)COO^(-) + H^(+) is

Answer»

x + y
x - y
y - x
`x - y//2`

Solution :(i) `CH_(3)COOH + OH^(-) rarr CH_(3)COO^(-) + H_(2)O, Delta H = -x`
(ii) `H^(+) + OH^(-) rarr H_(2)O, Delta H = -y` SUBTRACTING (ii) from (i),
`CH_(3)COOH rarr CH_(3)COO^(-) + H^(+), Delta H = -x + y "or" = y - x`


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