Home
Class 12
CHEMISTRY
Zinc oxide, white in colour at room temp...

Zinc oxide, white in colour at room temperature, acquires yellow colour on heating due to:

A

Zn being a transition element

B

paramagnetic nature of the compound

C

trapping of electrons at the site vacated by oxide ions

D

Both (A) & (B)

Text Solution

Verified by Experts

The correct Answer is:
C
Some of `O^(2-)` combine with each other forming `O_2` gas which is liberated leaving electrons at the site vacated by oxides ions
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 6

    VMC MODULES ENGLISH|Exercise CHEMISTRY (SECTION 2)|5 Videos

  • MOCK TEST 5

    VMC MODULES ENGLISH|Exercise CHEMISTRY (SECTION 2)|5 Videos

  • MOCK TEST 7

    VMC MODULES ENGLISH|Exercise CHEMISTRY (SECTION 2)|5 Videos

Similar Questions

Explore conceptually related problems

ZnO shows yellow colour on heating due to

Red colour of tomato is due to

The colour of sky is due to

The light yellow colour of Na_2O_2 is due to

Brown colour of Earthworm is due to

The blue colour of the sky is due to

What gives yellow colour to faeces?

Green colour of bile is due

The colour of KMnO_(4) is due to

The colour in the brown fat is due to