Chemistry · JEE

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

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Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution JEE MCQs on Goodmarks include 22+ multiple-choice questions with correct answers and step-by-step solutions. Attempt free samples below or unlock the full bank with Pro.

Master Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution through exam-style multiple-choice questions. This page features 22+ JEE MCQs covering Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution, each with verified answers and clear explanations.

Syllabus context

Part of Chemical Thermodynamics in JEE Main Chemistry.

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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

\boldsymbol{C}_{\boldsymbol{g} \text {raphite}}+\boldsymbol{O}_{\mathbf{2}(\boldsymbol{g})} \rightarrow \boldsymbol{C} \boldsymbol{O}_{2(\boldsymbol{g})} ; \boldsymbol{\Delta} \boldsymbol{H}=

-393.5 k J, \Delta H

of the reaction cannot be:

Q3ChemistryUnit 4: Chemical Thermodynamics

If enthalpies of formation for

\boldsymbol{C}_{2} \boldsymbol{H}_{4}(\boldsymbol{g})

C O_{2}(g)

and

H_{2} O(l)

25^{\circ} \mathrm{C}

and 1 atm pressure be 52,-394 and -286

k J

mol

^{-1}

respectively, then the enthalpy of combustion of

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

298 K ?

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