Question

Among the following, for which reaction heat of reaction represents bond energy of $\mathrm{HCl}$ ? (a) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$ (b) $2 \mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g})$ (c) $\mathrm{HCl}(\mathrm{g}) \rightarrow 1 / 2 \mathrm{H}_{2}(\mathrm{~g})+1 / 2 \mathrm{Cl}_{2}(\mathrm{~g})$ (d) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}^{+}(\mathrm{g})+\mathrm{Cl}^{-}(\mathrm{g})$

Name: Problem 63, Chapter 5: Advanced Problems in Physical Chemistry for Competitive Examinations
Uploaded: 2021-08-09T06:31:18-08:00
Duration: 1 min 22 s
Channel: Ajay Singhal
Description: Among the following, for which reaction heat of reaction represents bond energy of HCl ? (a) HCl(g) →H(g)+Cl(g) (b) 2 HCl(g) →H2( g)+Cl2( g) (c) HCl(g) →1 / 2 H2( g)+1 / 2 Cl2( g) (d) HCl(g) →H^+(g)+Cl^-(g)

   Among the following, for which reaction heat of reaction represents bond energy of $\mathrm{HCl}$ ?
(a) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$
(b) $2 \mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g})$
(c) $\mathrm{HCl}(\mathrm{g}) \rightarrow 1 / 2 \mathrm{H}_{2}(\mathrm{~g})+1 / 2 \mathrm{Cl}_{2}(\mathrm{~g})$
(d) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}^{+}(\mathrm{g})+\mathrm{Cl}^{-}(\mathrm{g})$

Advanced Problems in Physical Chemistry for Competitive Examinations

Neeraj Kumar 2015 Edition

Chapter 5, Problem 63

Instant Answer

Solved by Expert Ajay Singhal

08/09/2021

Step 1

Bond energy is the amount of energy required to break a chemical bond and form neutral atoms or molecules. In this case, we are looking for the reaction that represents the bond energy of HCl, which means we need to find the reaction that breaks the HCl bond and Show more…

Show all steps

Thanks for your feedback!

Among the following, for which reaction heat of reaction represents bond energy of $\mathrm{HCl}$ ? (a) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$ (b) $2 \mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g})$ (c) $\mathrm{HCl}(\mathrm{g}) \rightarrow 1 / 2 \mathrm{H}_{2}(\mathrm{~g})+1 / 2 \mathrm{Cl}_{2}(\mathrm{~g})$ (d) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}^{+}(\mathrm{g})+\mathrm{Cl}^{-}(\mathrm{g})$

Play audio

Feedback

Ajay Singhal and 55 other subject Chemistry 102 educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Bond Dissociation Energy

Bond dissociation energy is the energy needed to break a particular bond in a molecule into separate atoms when the molecule is in the gas phase. This concept measures the intrinsic strength of the bond by quantifying the energy required for homolytic bond cleavage, where the electrons are divided equally between the atoms.

Homolytic Bond Cleavage

Homolytic bond cleavage is the process whereby a covalent bond is broken so that each atom involved in the bond retains one electron, resulting in the formation of neutral atoms or radicals. This process is fundamental in defining the bond dissociation energy, as it directly relates to the energy input needed to separate a molecule into its individual atomic components.

Please give Ace some feedback