1.

Which of the following compounds will absorb the maximum quantity of heat when dissolved in same amount of water ? The heats of solution of these compounds at 25^(@)C in kJ/mole of each solute is given in brackets

Answer»

`HNO_(3)(DELTA H=-33)`
`KCL (Delta H = +17.64)`
`NH_(4)NO_(3)(Delta H =-25.50)`
`HCl (Delta H =- 74.11)`

ANSWER :B


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