Statement I: The enthalpy of formation of H2O(l) is greater than that of H2O(g).Statement II: Enthalpy change is negative for the condensation reaction H2O(g) → H2O(l).
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Statement I and Statement II are true.
b
Statement I is true and statement II is false.
c
Statement I is false and Statement II is true.
d
Statement I and Statement II are false.
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
(I) some amount of energy is used in the vapourization H2O(l) (II) Molecules of gas are having high Kinetic energy, high disorder and weak attractive forces on condensation , K.E decreases , randomness decreases , attractive forces becomes stronger energy is released