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MCQ (Previous Year Questions) - Thermochemistry (Level 2) - JEE MCQ


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7 Questions MCQ Test - MCQ (Previous Year Questions) - Thermochemistry (Level 2)

MCQ (Previous Year Questions) - Thermochemistry (Level 2) for JEE 2024 is part of JEE preparation. The MCQ (Previous Year Questions) - Thermochemistry (Level 2) questions and answers have been prepared according to the JEE exam syllabus.The MCQ (Previous Year Questions) - Thermochemistry (Level 2) MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MCQ (Previous Year Questions) - Thermochemistry (Level 2) below.
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MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 1

Which of the following is not an endothermic reaction ?                       [JEE 1999]

MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 2

 for CO2(g), CO(g) and H2O(g) are -393.5, -110.5 and -241.8 kJ mol-1respectively. The standard enthalpy change (in kJ) for the reaction                                                                                             [JEE 2000]

CO2 (g) + H2(g)  CO(g) + H2O (g) is

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MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 3

Which of the following reactions defines ?                                [JEE 2003]

MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 4

The bond energy (in kcal mol-1) of a C - C single bond is approximately                    [JEE 2010]

MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 5

The species which by definition has zero standard molar enthalpy of formation at 298 K is             [JEE 2010]

Detailed Solution for MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 5
Some standards elements have zero standard molar enthalpy which must we should always remember ,like br2(l),cl2(g),f2(g),i2(s) and many more.
MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 6

Using the data provided, calculate the multiple bond energy (kJ mol-1) of a CC bond in C2H2. That energy is (take the bond energy of a C_H bond as 350 kJ mol-1)                                               [JEE 2012]

2C(s) + H2(g)  C2H2(g) ΔH = 225 kJ mol-1

2C(s)  2C(g)               ΔH = 1410 kJ mol-1

H2(g)  2H(g)               ΔH = 330 kJ mol-1

MCQ (Previous Year Questions) - Thermochemistry (Level 2) - Question 7

The standard enthalpies of formation of CO2(g), H2O(l) and glucose(s) at 25ºC are -400 kJ/mol, -300 kJ/mol and -1300 kJ/mol, respectively. The standard enthalpy of combustion per gram of glucose at 25ºC is                       [JEE Advance 2013]

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