At standard conditions, if the change in the enthalpy for the following reaction is -109 kJ mol-1
H2(g)+Br2(g) 2HBr(g)
and the bond energy of H2 and Br2 is 435 kJ mol-1 and 192 kJ mol-1, respectively, what is the bond energy (in kJ mol-1) of HBr?
1. 368
2. 736
3. 518
4. 259
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf for a certain reaction is 30 kJ mol–1 at 450 K, the value of (in JK–1 mol–1) for which the same reaction will be spontaneous at the same temperature is:
1. 70
2. –33
3. 33
4. -70
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one among the following is the correct option for right relationship between Cp and CV for one mole of an ideal gas ?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor irreversible expansion of an ideal gas under isothermal condition, the correct option is :
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct option for free expansion of an ideal gas under adiabatic condition is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the reaction, 2Cl(g) Cl2(g), the correct option is:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHydrolysis of sucrose is given by the following reaction
Sucrose + H2O Glucose + Fructose
If the equilibrium constant (Kc) is 21013 at 300 K, the value of at the same temperature will be:
1. 8.314 J mol-1 K-1300 Kln (21013)
2. 8.314 J mol-1 K-1300 Kln (31013)
3. -8.314 J mol-1 K-1300 Kln (41013)
4. -8.314 J mol-1 K-1300 Kln (21013)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | 2. | ||
3. | 4. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe work done when 1 mole of gas expands reversibly and isothermally from pressure of 5 atm to 1 atm at 300 K is
(Given log 5=0.6989 and R=8.314 J K-1 mol-1)
1. zero J
2. 150 J
3. +4014.6 J
4. -4014.6 J
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology