Question

answer this mcq
Which is correct one ​

Answer 1

QueStioN :-

● Which statement is correct for formation of NH4CI ?

         NH3(g) + HCI(g) ➞ NH4CI(g)

Options :-

A) Work done by system on the surroundings.   [    ]

B) This is PV expansion.    [    ]

C) Work done (W) = Negative (-ve).   [    ]

D) Energy gain by the system.  [ ✔ ]

• Therefore, option D) is correct.