Write the structure of manganate and permanganate ions.

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 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.

EASY

12th Odisha Board

IMPORTANT

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

Why do transition metal ions form complexes ?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 11 - d- Block Elements : Transition Elements>QUESTIONS>Q 3

Transition metals and their compounds act as catalysts.

EASY

12th Odisha Board

IMPORTANT

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

What happens when ${\mathrm{KMnO}}_4$, is heated alone and with alkali.

EASY

12th Odisha Board

IMPORTANT

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

Why are transition metal compounds coloured ?

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 ${\mathrm{H}}_2\mathrm{S}$, gas is passed through acidified ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ solution?