Chemical Thermodynamics Question 289

Question: When the aqueous solution of 0.5 mole $ HNO_3 $ is mixed with the 0.3 mole of $ O{{H}^{-}} $ solution, then what will be the liberated heat (Enthalpy of neutralization is = 57.1 kJ) [Kerala CET 2005]

Options:

A) 28.5 kJ

B) 17.1 kJ

C) 45.7 kJ

D) 1.7 kJ

E) 2.85 kJ

Show Answer

Answer:

Correct Answer: B

Solution:

0.3 mole $ O{{H}^{-}} $ , neutralize 0.3 mole of $ HNO_3 $ Evolved heat, $ =57.1\times 0.3=17.13kJ $



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