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The combustion of benzene ( A ) gives CO 2 (g) and H 2 O( A ). Given that heat of combustion of benzene at constant volume is –3263.9 kJ mol –1 at 25°C; heat of combustion (in kJ mol –1 ) of benzene at constant pressure will be - (R = 8.314 JK –1 mol –1 )

1. 4152.6
2. –452.46
3. 3260
4. –3267.6 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Chemical Energetic, Ex # 4, Page 35, Q. No. 30 ]

Correct answer: –3267.6 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Chemical Energetic, Ex # 4, Page 35, Q. No. 30 ]

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