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Question: Equal volume of 1 M HCl and 1 M H<sub>2</sub>SO<sub>4</sub> are neutralized by dilute NaOH solution ...

Equal volume of 1 M HCl and 1 M H2SO4 are neutralized by dilute NaOH solution and x and y kcal of heat are liberated respectively. Which of the following is true ?

A

x = y

B

x =0.5 y

C

x = 0.4 y

D

None of these

Answer

x =0.5 y

Explanation

Solution

1 M H2SO4 = 2 equivalent H2SO4

1 M Hcl = 1 equivalent HCl

Thus, for equal volume of two acids to be neutralized separately with NaOH, heat evolved will be twice in case of H2SO4 to that of HCl.