Chemistry · JEE

Online Practice: Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution for JEE

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Sharpen your chemistry preparation with interactive online practice for Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution. Goodmarks offers 22+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

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Q1ChemistryUnit 4: Chemical Thermodynamics
Which is a common standard for calibrating a bomb calorimeter in teaching laboratories?
Q2ChemistryUnit 4: Chemical Thermodynamics
Cgraphite+O2(g)CO2(g);ΔH=\boldsymbol{C}_{\boldsymbol{g} \text {raphite}}+\boldsymbol{O}_{\mathbf{2}(\boldsymbol{g})} \rightarrow \boldsymbol{C} \boldsymbol{O}_{2(\boldsymbol{g})} ; \boldsymbol{\Delta} \boldsymbol{H}= 393.5kJ,ΔH-393.5 k J, \Delta H of the reaction cannot be:
Q3ChemistryUnit 4: Chemical Thermodynamics
If enthalpies of formation for C2H4(g)\boldsymbol{C}_{2} \boldsymbol{H}_{4}(\boldsymbol{g}) CO2(g)C O_{2}(g) and H2O(l)H_{2} O(l) at 25C25^{\circ} \mathrm{C} and 1 atm pressure be 52,-394 and -286 kJk J mol1^{-1} respectively, then the enthalpy of combustion of C2H4(g)C_{2} H_{4}(g) will be:
Q4ChemistryUnit 4: Chemical Thermodynamics
When a solid is converted into a gas, directly by heating then this process is known as:
Q5ChemistryUnit 4: Chemical Thermodynamics
The compound with negative value of heat of formation is called:
Q6ChemistryUnit 4: Chemical Thermodynamics
Which among the following has the highest calorific value?
Q7ChemistryUnit 4: Chemical Thermodynamics
When fuel is added to the exhaust (burnt) gases in a jet engine combustion takes place. Some facts are mentioned here about this combustion. Pick the false one?
Q8ChemistryUnit 4: Chemical Thermodynamics
Which of the following equations corresponds to the definition of enthalpy of formation at 298K?298 K ?

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