What is the oxidation number of $\mathrm{Mn}$ in ${{\mathrm{MnO}}_4}^{-}$ ?

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

What is the oxidation number of $\mathrm{Cr}$ in ${\mathrm{Cr}}_2{{\mathrm{O}}_7}^{2-}$ ?

EASY

12th Odisha Board

IMPORTANT

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

What is the reason of paramagnetism in transition metals ?

EASY

12th Odisha Board

IMPORTANT

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

What is the magnetic property of dipositive Zinc ?

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 general electronic configuration of $\mathrm{d}$-block elements?

EASY

12th Odisha Board

IMPORTANT

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

What is the maximum oxidation state of manganese ?

EASY

12th Odisha Board

IMPORTANT

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

Name a transition element which is not a solid.

EASY

12th Odisha Board

IMPORTANT

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

What happens when acid is added to the yellow coloured potassium chromate solution?

EASY

12th Odisha Board

IMPORTANT

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

Transition elements form alloys easily. Give reasons.