Why do transition metal ions form complexes ?

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 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 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?

EASY

12th Odisha Board

IMPORTANT

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

What is the equivalent mass of ${\mathrm{KMnO}}_4$, in alkaline solution ? Explain.

EASY

12th Odisha Board

IMPORTANT

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

What are the 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

What are transition elements? Describe any four characteristic properties of transition elements.

HARD

12th Odisha Board

IMPORTANT

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

Describe the preparation of potassium permanganate. How does acidified potassium permanganate solution react with $\mathrm{KI}$.

HARD

12th Odisha Board

IMPORTANT

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

Describe the preparation of potassium permanganate. How does acidified potassium permanganate solution react with ${\mathrm{SO}}_2$.