Question

Questions 16 to 20:
(A) Both assertion and reason are correct statements, and reason is the correct explanation of the
assertion
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the
assertion
(C) Assertion is correct, but reason is wrong statement
(D) Assertion is wrong, but reason is correct statement.
16. Assertion: In H atom, the energy of 3d level is smaller than4s orbital
Reason:An orbital with lower value of (n+1) has cnergy smaller than the orbital with larger value of
(n+1)
17. Assertion: Gases liquefy only below their critical temperature.
Reason: Above critical temperature molecular speed is high and intermolecular attraction cannot hold
the molecules together because they escape due to high speed.
18. Assertion: Chlorine has morenegative electron gain enthalpy than that of Fluorine.
Reason:Fluorine is stronger oxidising agent than Chlorine.
19. Assertion:A catalystdoes not have any effect on equilibrium state.
Reason: In the presence of catalyst, the equilibrium is attained quickly.




plz answer all the question fast ​

Answer 1

Answer:

16 d

17 a

18 a

19b

Explanation:i'm not sure

if it helps mark as brainliest