Given below are two statements.

Statement I: Frenkel defects are vacancy as well as interstitial defects.

Statement II: Frenkel defect leads to colour in ionic solids due to presence of F-centres.

Choose the most appropriate answer for the statements from the options given below:

Option 1 - <p>Both <strong>Statement I </strong>and <strong>Statement II </strong>are true</p>
Option 2 - <p><strong>Statement I </strong>is false but <strong>Statement II </strong>is true</p>
Option 3 - <p>Both <strong>Statement I </strong>and <strong>Statement II </strong>are false</p>
Option 4 - <p><strong>Statement I </strong>is true but <strong>Statement II </strong>is false</p>
1 Views|Posted 6 months ago
Asked by Shiksha User
1 Answer
V
6 months ago
Correct Option - 4
Detailed Solution:

In Frenkel defect, cations are inserted in neighbouring site, therefore statement-I is correct, because vacancy developed by missing cations and interstitial sites are equal. Statement II is false because F-centre developed by metal excess defect due to anion vacancies.

Thumbs Up IconUpvote Thumbs Down Icon

Similar Questions for you

ΔG° = –RT * 2.303 log K

–nFE° = +RT * 2.303 log K

2 * 96500 * 0.295 = 8.314 * 298 * 2.303 log10 K

10 = log10 K = 1010

It has chiral centre and differently di substituted double bonded carbon atoms.

For FCC lattice

Packing efficiency = 

 

CsCl has BCC structure in which Cl is present at corners of cube and Cs+ at body centre

Taking an Exam? Selecting a College?

Get authentic answers from experts, students and alumni that you won't find anywhere else.

On Shiksha, get access to

66K
Colleges
|
1.2K
Exams
|
6.9L
Reviews
|
1.8M
Answers

Learn more about...

Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

View Exam Details

Most viewed information

Summary

Share Your College Life Experience

Didn't find the answer you were looking for?

Search from Shiksha's 1 lakh+ Topics

or

Ask Current Students, Alumni & our Experts

Have a question related to your career & education?

or

See what others like you are asking & answering