Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 29

EASY

12th Tamil Nadu Board

IMPORTANT

Earn 100

How does the acidified solution of potassium permanganate react with: Oxalic acid

Important Questions on Transition and Inner Transition Elements

EASY

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 30

Complete the following equation:

2 {MnO}_{4}^{-} + 16 H^{+} + 5 S^{2 -} \to

EASY

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 31

What happens when ${CuSO}_{4}$ solution is treated with the following?

(i) excess of ammonia solution and

(ii) $KI$ solution

EASY

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 32

Copper sulphate dissolves in

{NH}_{4} OH

solution but

{FeSO}_{4}

does not.

EASY

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 33

Permanganate titrations are carried out in the presence of sulphuric acid but not in presence of hydrochloric acid. Why?

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 34

Describe the oxidising action of potassium dichromate and write the ionic equations for its with $Sn (II)$ .

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 35

The element with electronic configuration -

[Xe] 4 f^{2} 5 d^{0} 6 s^{2}

lies in -

EASY

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 36

The

3 d

-series starts from:

MEDIUM

12th Tamil Nadu Board

IMPORTANT

Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter 4 - Transition and Inner Transition Elements>Exercise>Q 37

The basic character of the transition metal monoxides follows the order
(Atomic numbers-

Ti = 22, V = 23, Cr = 24, Fe = 26

)