Q.
If bond dissociation energies of N≡N, H-H, and N-H are x1, x2 and x3 respectively, hence enthalpy of formation of NH3(g) is
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
x1+3x2−6x3
b
3x3−12x1−32x2
c
x12+32x2−3x
d
6x3−x1−3x2
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
12N2(g)+32H2(g)→NH3(g)ΔrH=ΔformHNH3,gΔformHNH3,g=12DN≡N+32DH−H−3DN−H=12×x1+32x2−3x3
Watch 3-min video & get full concept clarity