Skip to main content
EasyChemistry
+4 / -1

Match Bonds in List-I with their bond enthalpies in List-II

List-I List-II

a. H—H (i) 318 kJ mol⁻¹

b. O—H (ii) 464 kJ mol⁻¹

c. H—F (iii) 435.8 kJ mol⁻¹

d. P—H (iv) 569 kJ mol⁻¹

The correct option is

A
a(iii), b(ii), c(iv), d(i)
B
a(iii), b(iv), c(ii), d(i)
C
a(i), b(iii), c(iv), d(ii)
D
a(i), b(iv), c(iii), d(ii)
Previous

The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy change for

Next

For which of the following species, standard molar enthalpy of formation at 298

More from Thermodynamics
Hard

Which of the following is correct option for free expansion of an ideal gas under adiabatic conditio

Hard

Under the same conditions how many ml of 1 M KOH and 0.5 M H₂SO₄ solutions respectively when mixed f

Hard

1 gm H₂ gas at S.T.P. is expanded so that volume is doubled. Hence work done is -

Hard

The lattice enthalpy and hydration enthalpy of four compounds are given below – Compound Lattice ent

Hard

Standard enthalpies of formation of O₃, CO₂, NH₃ and HI are 142.2, −393.2, −46.2 and +25.9 kJ mol⁻¹

Hard

Consider the following reactions at 1000°C - I. Zn(s) + 1/2 O₂(g) → ZnO(s); ΔG° = −360 kJ mol⁻¹ II.

Practice Chemistry Exams

Full-length mock tests with detailed analytics, rank, and percentile.

Browse Exams