Question

51. Equal volumes of methanoic acid and sodium hydroxide are
mixed. If x is the heat of formation of water, then heat
evolved on neutralization is
(a) more thanx
(b) equal to x
(c) less than x
(d) twice x.​

Answer 1

Answer:

If x is the heat of formation of water, then heat evolved on neutralisation is. Solution : As methanoic acid is weak acid, heat of neutralization <x.