1.

Consider the followingset of reactions : CHCl_(2)COOH+NaOHrarrCHCl_(2)COONa+H_(2)O "" Delta H_(1) = - 12830 Cal. HCl + NaOH rarr NaCl + H_(2)O "" DeltaH_(2) = - 13680 Cal. NH_(4)OH + HCl rarr NH_(4)Cl + H_(2)O"" Delta H_(3) = - 12270 cal. Select the correct option (s) :

Answer»

ENTHALPHY of neutralization of `CHCl_(2)COOH`by`NH_(4)OH`is `11420` Cal.
Enthalphy of dissociation of `CHCl_(2)COOH = - 850` Cal.
Enthalphy of dissociation of `NH_(4)OH = 1410`Cal.
Enthalphy change for the reaction`H_(2)O rarr H^(+) + OH^(-)` is `-13680`Cal.

Answer :C


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