/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 97 What is photoisomerization? Is t... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 6: Problem 97

What is photoisomerization? Is this a reversible or an irreversible reaction?

Short Answer

Expert verified
Photoisomerization is a structural change due to light absorption. It is usually a reversible reaction.

Step by step solution

01

Define Photoisomerization

Photoisomerization is a process in which a molecule changes its structure when it absorbs light. This change usually involves a shift from one isomeric form to another.
02

Understand Isomers

Isomers are molecules that have the same molecular formula but different structural arrangements. In photoisomerization, the energy from light causes these structural changes.
03

Determine Reversibility

Photoisomerization can be either reversible or irreversible depending on the specific molecules involved. In many cases, the process is reversible, meaning the molecule can return to its original structure by either absorbing more light or through thermal processes.
04

Conclusion

Photoisomerization involves a structural change in a molecule due to light absorption. It is typically a reversible reaction where the molecule can revert to its original form.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Isomers
Isomers are a central concept in chemistry. They are molecules with the same chemical formula but with different structural arrangements. This means they have the same number and type of atoms, but these atoms are connected or oriented differently in space. Isomers can have vastly different physical and chemical properties.
  • Structural Isomers: These differ in the connectivity of their atoms. The atoms are joined in different ways.
  • Stereoisomers: These have the same connectivity but differ in the spatial arrangement of atoms.
Understanding the role of isomers is essential in studying photoisomerization because the process involves changing from one isomer to another under the influence of light.
Light Absorption
Light absorption is the key trigger for photoisomerization. When a molecule absorbs light, it captures the energy carried by the light photons.
This energy can cause changes within the molecule, such as breaking bonds or changing its shape.
In the case of photoisomerization, the absorbed energy results in the molecule shifting from one isomer to another.
Here鈥檚 how it works in more detail:
  • Light of a specific wavelength hits the molecule.
  • The molecule absorbs the light energy and becomes excited.
  • This energy allows the molecule to overcome the energy barrier separating different isomers.
  • The molecule changes its structure, settling into a new isomeric form.
This process underscores the importance of light in driving chemical changes and enabling reactions like photoisomerization.
Reversible Reaction
Reversible reactions are essential concepts in chemistry. They are processes where products can revert to their original reactants under certain conditions.
Photoisomerization is typically reversible. This means that once the molecular structure has changed due to light absorption, it can return to its original form by absorbing light again or through thermal relaxation.
Key aspects of reversible reactions include:
  • Equilibrium: A state where the rates of the forward and reverse reactions are equal.
  • Dynamic Process: Both forward and reverse reactions occur simultaneously at equilibrium.
  • Energy Considerations: The energy required to reverse the reaction usually comes from additional light absorption or heat.
Understanding reversible reactions, in this context, is crucial as it highlights the dynamic nature of photoisomerization, where molecular structures can continually change back and forth under the right conditions.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What do you expect to happen to the \(\mathrm{O}_{2}\) gradient if an aerobic cell's ability to use \(\mathrm{O}_{2}\) is inhibited?

Why are oxidation and reduction always coupled?

Some lipids have negatively-charged phosphate groups attached to the glycerol as well as fatty acids - predict how the presence of "phospho-lipids" will impact membrane structure and stability.

What advantage might a host get from a bacterial symbionts? Was there an advantage for the engulfed bacteria?
See all solutions

Recommended explanations on Biology Textbooks

Biological Organisms

Read Explanation

Control of Gene Expression

Read Explanation

Biological Structures

Read Explanation

Biology Experiments

Read Explanation

Plant Biology

Read Explanation

Biological Processes

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.