D and F Block Elements Test

Result

D and F Block Elements Test - 39

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

The reason for the stability of Gd³⁺ ion is

A
4f sub shell – half filled

B
4f sub shell- completely filled

C
Possesses the general electronic configuration of noble gases

D
4f sub shell empty
Question 2
4 / -1

The black compound formed during the reaction between sodium thiosulphate and silver nitrate is

A
Silver thiosulphate (Ag₂S₂O₃)

B
Silver sulphide (Ag₂S)

C
Silver sulphate (Ag₂SO₄)

D
Silver sulphite (Ag₂SO₃)
Question 3
4 / -1

Zn gives H₂ gas with H₂SO₄ and HCl but not with HNO₃ because

A
Zn acts as an oxidising agent when reacts with HNO₃

B
HNO₃ is weaker acid than H₂SO₄ and HCl

C
In electrochemical series Zn is above hydrogen

D
Question 4
4 / -1

A
Na₂ZnO₂

B
2NaZnO₂

C
Zn(OH)₂

D
None of these
Question 5
4 / -1

Colourless solutions of the following four salts are placed separately in four different test tubes and a strip of copper is dipped in each one of these, which solution will turn blue ?

A
KNO₃

B
AgNO₃

C
Zn(NO₃)₂

D
ZnSO₄
Question 6
4 / -1

General electronic configuration of lanthanides is

A

B

C

D
Question 7
4 / -1

An atom has electronic configuration1s² 2s² 2p⁶ 3s² 3p⁶ 3d³ 4s² . In which group would it be placed?

A
Fifth

B
Fifteenth

C
Second

D
Third
Question 8
4 / -1

In acidic medium, KMnO₄ oxidises FeSO₄ solution. Which of the following statement is correct?

A
10 ml of 1 N KMnO₄ solution oxidizes 10ml of 5 N FeSO₄ solution

B
10 ml of 1 M KMnO₄ solution oxidises 10 ml of 5M FeSO₄ solution

C
10 ml of 1 M KMnO₄ solution oxidizes 10 ml of 1 M FeSO₄ solution

D
10 ml of 1N KMnO₄ solution oxidizes 10 ml of 0.1 M FeSO₄ solution
Question 9
4 / -1

Arrange Ce³⁺, La³⁺ Pm³⁺ and Yb³⁺ increasing order of their ionic radii

A
Yb³⁺ < Pm³⁺ < Ce³⁺ < La³⁺

B
Ce³⁺ < Yb³⁺ < Pm³⁺ < La³⁺

C
Yb³⁺ < Pm³⁺ < La³⁺ < Ce³⁺

D
Pm³⁺ < La³⁺ < Ce³⁺ < Yb³⁺
Question 10
4 / -1

Which of the following reaction is possible at anode ?

A

B

C

D
None of these

Solution