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Thermodynamics question

2010 · Shift 0 · Q9

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PYQ Library
JEE Main
Chemistry
Thermodynamics
2010 · Shift 0 · Q9

Thermodynamics question

2010 · Shift 0 · Q9

JEE MainChemistryThermodynamicsMCQ+4 / −1

The standard enthalpy of formation of

NH_3

is –46.0 kJ mol–1. If the enthalpy of formation of

H_2

from its atoms is –436 kJ mol–1 and that of

N_2

is –712 kJ mol–1, the average bond enthalpy of N–H bond in

NH_3

is :

A
–964 kJ mol–1
B
+352 kJ mol–1
C
+ 1056 kJ mol–1
D
–1102 kJ mol–1

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