Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Statement - I : Zinc oxide is yellow colored when hot.
Statement - II : Zinc oxide has metal excess defect due to anionic vacancies.

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

Both statements I and II are correct

b

Statement-I is correct and statement-II is incorrect

c

Statement-I is incorrect and statement-II is correct

d

Both statements I and II are incorrect

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

detailed_solution_thumbnail
  • Zinc oxide is white in color at room temperature. 
  • On heating it loses oxygen and turns yellow.
  • Question Image
  • Now there is excess of zinc in the crystal and its formula becomes Zn1+xO. 
  • The excess Zn2+ ions move to interstitial sites and the electrons to neighboring interstitial sites.
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring