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Get Answers to all your Questions
- #Thermodynamics
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The heat of Atomisation of PH3 (g) and P2H4(g) are 954 KJ mol-1 and 1488 KJ mol-1 respectively. The P- P bond energy in KJ mol-1 is :
Option: 1
216
Option: 2
428
Option: 3
318
Option: 4
1272
Answers (1)
3P-H bond=954KJ/mol
1P-H bond =318KJ/mol
4P-H bond+1-P-P bond =1488KJ/mol
1P-P bond= (1488-4*318)=216KJ/mol
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