Question

Q.No.05.Given : N2(g) + 3H2(g)
----> 2NH3(g); Ar H- =
-92.4 kj mot-1 What is the
standard enthalpy of formation
of NH3 gas?
O 150kj mol-1
O 250kj mol-1
0 - 46.2 kj mol-1
O -10 kj mol-1​

Answer 1

Answer:

Answer :

C

Solution :

<br> Bond enthalpy of

<br> [

sing is taken because energy is supplied to break the

bond into its atoms] <br> Similary, bond enthalpy of

<br>

<br>

<br>

<br>

<br>