D and F Block Elements Test

Result

D and F Block Elements Test - 5

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Score
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Rank

Time Taken: -

Question 1/3
1 / -0

The compound formed as a result of oxidation of ethyl benzene by KMnO₄ is:

Correct

Wrong

Skipped
A
benzoic acid

Correct

Wrong

Skipped
B
benzyl alcohol

Correct

Wrong

Skipped
C
benzophenone

Correct

Wrong

Skipped
D
acetophenone

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Solutions

Any aliphatic carbon with hydrogen attached to it, in combination with benzene ring, will be oxidized to benzoic acid by KMnO4/H⁺.
Question 2/3
1 / -0

Match the catalysts to the correct processes :
Catalyst Process
(A) TiCI₃ (i) Wacker process
(B) PdCI₂ (ii) Ziegler - Natta polymerization
(C) CuCI₂ (iii) Contact process
(D) V₂O₅ (iv) Deacon's process

Correct

Wrong

Skipped
A
(A) - (iii), (B) - (ii), (C) - (iv), (D) - (i)

Correct

Wrong

Skipped
B
(A) - (ii), (B) - (i), (C) - (iv), (D) - (iii)

Correct

Wrong

Skipped
C
(A) - (ii), (B) - (iii), (C) - (iv), (D) – (i)

Correct

Wrong

Skipped
D
(A) - (iii), (B) - (i), (C) - (ii), (D) - (iv)

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Solutions

TiCI₃ → Ziegler-Natta polymerisation
PdCI₂ → Wacker process
CuCI₂ → Deacon's process
V₂O₅ → Contact process
Hence, option B is correct
Question 3/3
1 / -0

In strong alkaline solution MnO₄^– changes to

Correct

Wrong

Skipped
A
MnO₄^2–

Correct

Wrong

Skipped
B
MnO₂

Correct

Wrong

Skipped
C
Mn₂O₃

Correct

Wrong

Skipped
D
MnO

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Solutions

In strongly alkaline medium:
MnO₄^–+ e^–↔ MnO₄^2–

Question 1/3

benzoic acid

benzyl alcohol

benzophenone

acetophenone

Question 2/3

(A) - (iii), (B) - (ii), (C) - (iv), (D) - (i)

(A) - (ii), (B) - (i), (C) - (iv), (D) - (iii)

(A) - (ii), (B) - (iii), (C) - (iv), (D) – (i)

(A) - (iii), (B) - (i), (C) - (ii), (D) - (iv)

Question 3/3

MnO₄^2–

MnO₂

Mn₂O₃

MnO

Question 1/3

benzoic acid

benzyl alcohol

benzophenone

acetophenone

Question 2/3

(A) - (iii), (B) - (ii), (C) - (iv), (D) - (i)

(A) - (ii), (B) - (i), (C) - (iv), (D) - (iii)

(A) - (ii), (B) - (iii), (C) - (iv), (D) – (i)

(A) - (iii), (B) - (i), (C) - (ii), (D) - (iv)

Question 3/3

MnO42–

MnO2

Mn2O3

MnO

MnO₄^2–

MnO₂

Mn₂O₃