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Solution


Q.

Match List-I with List-II.                                                                 [2024]

  List-I   List-II
  (Molecule)   [Bond enthalpy (kJ mol-1)]
A. HCl I. 435.8
B. N2 II. 498
C. H2 III. 946.0
D. O2 IV. 431.0

 

Choose the correct answer from the options given below.
1 A – III, B – IV, C – I, D – II  
2 A – IV, B – I, C – III, D – II  
3 A – IV, B – III, C – II, D – I  
4 A – IV, B – III, C – I, D – II  

Ans.

(4)

Molecule Bond enthalpy (kJ mol-1)
HCl 431.0
N2 946.0
H2 435.8
O2 498