Why Zinc salts are colourless ?

Important Questions on d- Block Elements : Transition Elements

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 4

Why ${\mathrm{Cu}}^{+1}$ salts are colourless ?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 5

Write the structure of chromate and dichromate ions ?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 6

What happens when potassium dichromate is heated ?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 7

Mention two uses of potassium dichromate.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 8

Write the structure of manganate and permanganate ions.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 9

Explain why conversion of chromate ion to dichromate ion is not a redox reaction.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 10

Mention two important uses of potassium permanganate.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 1

Explain why ${\mathrm{CuSO}}_4$, is paramagnetic while ${\mathrm{ZnSO}}_4$, is diamagnetic.