In which of the following compound (s) will heat be absorbed on adding water? l. KNO\(_3\) II. Concentrated H\(_2\)SO\(_4\) III. NH\(_4\)CI

In which of the following compound (s) will heat be absorbed on adding water?

l. KNO\(_3\) II. Concentrated H\(_2\)SO\(_4\) III. NH\(_4\)CI

A I only
B lll only
C l and lll only
D ll and lll only

waec 2007 chemistry

The correct answer is C. l and lll only

KNO\(_3\) and NH\(_4\)Cl both undergo endothermic.

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