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D and F Block Elements Test - 30
D and F Block Elements Test - 30
Result
D and F Block Elements Test - 30
/
Score
-
Rank
Time Taken:
-
Question
1/10
4 / -1
Which one of the following nitrates will leave behind a metal on strong heating ?
Correct
Wrong
Skipped
A
Copper nitrate
Correct
Wrong
Skipped
B
Manganese nitrate
Correct
Wrong
Skipped
C
Silver nitrate
Correct
Wrong
Skipped
D
Ferric nitrate
Verify mobile number to view the solution
Verify Mobile Number
Solutions
Question
2/10
4 / -1
The compound used for gravimetric estimation of Cu (II) is
Correct
Wrong
Skipped
A
Cu
2
(SCN)
2
Correct
Wrong
Skipped
B
Cu
2
O
Correct
Wrong
Skipped
C
Cu
2
I
2
Correct
Wrong
Skipped
D
Cu
2
CO
3
Question
3/10
4 / -1
Which one of the following characteristics of transition metals is associated with their catalytic activity ?
Correct
Wrong
Skipped
A
High enthalpy of atomization
Correct
Wrong
Skipped
B
Paramagnetic behaviour
Correct
Wrong
Skipped
C
Colour of hydrated ions
Correct
Wrong
Skipped
D
Variable oxidation states
Question
4/10
4 / -1
The basic character of the transition metal monoxide follows the order
Correct
Wrong
Skipped
A
VO > CrO > TiO > FeO
Correct
Wrong
Skipped
B
CrO > VO > FeO >TiO
Correct
Wrong
Skipped
C
TiO > FeO > VO > CrO
Correct
Wrong
Skipped
D
TiO > VO > CrO > FeO
Question
5/10
4 / -1
Lanthanide for which + 2 and +3 oxidation states are common is
Correct
Wrong
Skipped
A
La
Correct
Wrong
Skipped
B
Nd
Correct
Wrong
Skipped
C
Ce
Correct
Wrong
Skipped
D
Eu
Question
6/10
4 / -1
Deep blue complex obtained when copper sulphate is treated with NH
4
OH is called
Correct
Wrong
Skipped
A
Tolllen’s reagent
Correct
Wrong
Skipped
B
Fehling solution
Correct
Wrong
Skipped
C
Schweitzer reagent
Correct
Wrong
Skipped
D
Malaprade reagent
Question
7/10
4 / -1
Chinese white is
Correct
Wrong
Skipped
A
ZnO
Correct
Wrong
Skipped
B
ZnCO
3
Correct
Wrong
Skipped
C
ZnS
Correct
Wrong
Skipped
D
ZnS+ BaSO
4
Question
8/10
4 / -1
Cupric compounds are more stable than their cuprous counterparts in solid state. This is because
Correct
Wrong
Skipped
A
the endothermic character of the 2nd IP of Cu is not so high
Correct
Wrong
Skipped
B
size of Cu
2+
is less than Cu
+
Correct
Wrong
Skipped
C
Cu
2+
has stable electronic configurations compared to Cu
+
Correct
Wrong
Skipped
D
the lattice energy released for cupric compounds is must higher than Cu
+
Question
9/10
4 / -1
Which is not true for describing the catalytic activity of transition metals?
Correct
Wrong
Skipped
A
Their ability to adopt multiple oxidation states
Correct
Wrong
Skipped
B
Their ability to form bonds between reactant molecule and atoms of the surface of catalysts
Correct
Wrong
Skipped
C
Increasing the concentration of reactants at the catalyst surface
Correct
Wrong
Skipped
D
Strengthening the bonds in the reacting molecules
Question
10/10
4 / -1
Correct
Wrong
Skipped
A
Cr (Z = 24)
Correct
Wrong
Skipped
B
Mn (Z = 25)
Correct
Wrong
Skipped
C
Fe (Z = 26)
Correct
Wrong
Skipped
D
Co (Z = 27)
Verify mobile number to view the solution
Verify Mobile Number
Solutions
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
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