1.

Which of the following salts will have maximum cooling effect when 0.5 mole of the salt is dissolved in same amount of water. Integral heat of solution at 298 K is given for each salt ?

Answer»

`KNO_(3) (Delta H = 35.4 KJ mol^(-1))`
`NaCl (Delta H = 5.35 kJ mol^(-1))`
`HBr (Delta H = -83.3 kJ mol^(-1))`
`KOH (Delta H = -55.6 kJ mol^(-1))`

Answer :A


Discussion

No Comment Found