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Recent questions tagged transition metals including lanthanides
+2
votes
1
answer
Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statements about cerium is incorrect?
asked
Apr 6, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
jee
jee mains
coordinatian compounds
+1
vote
1
answer
Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it.
asked
Mar 27, 2019
in
JEE
by
kratos
transition metals including lanthanides
jee
hydrogen
jee mains
p - block element
+3
votes
1
answer
Explain the cause of lanthanide contraction.
asked
Mar 26, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
class-11
jee
transition and inner transition elements
jee mains
coordinatian compounds
class-12
periodic classification of elements
+3
votes
1
answer
In which of the following octahedral complexes of Co (at. no.27) will be magnitude of D 0 be the highest ?
asked
Mar 21, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
coordination compounds
jee
transition elements
jee mains
coordinatian compounds
+2
votes
1
answer
Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids,
asked
Mar 17, 2019
in
Class 12
by
kratos
transition metals including lanthanides
d-and f- block elements
neet
cbse
jee
the d- and f- block elements
jee mains
coordinatian compounds
class-12
+3
votes
1
answer
The E°M^3+/ M^2+ values for Cr, Mn, Fe and Co are – 0.41,
asked
Mar 14, 2019
in
Chemistry
by
kratos
transition metals including lanthanides
redox reactions & electrochemistry
upsee
jee
+1
vote
1
answer
Most common oxidation states of Ce (cerium) are
asked
Mar 6, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
jee
jee mains
coordinatian compounds
+1
vote
1
answer
The correct order of magnetic moments (spin only values in B.M.) among is
asked
Mar 6, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
jee
jee mains
coordinatian compounds
+1
vote
1
answer
In context of the lanthanoids, which of the following statement is not correct ?
asked
Feb 24, 2019
in
JEE
by
kratos
jee
transition metals including lanthanides
+2
votes
1
answer
The oxidation state of chromium in the final product formed by the reaction between KI and acidified potassium dichromate solution is
asked
Feb 20, 2019
in
Chemistry
by
kratos
transition metals including lanthanides
electrochemistry
class-11
jee
redox reaction
jee mains
+3
votes
1
answer
Between Fe^2+ and Fe^3+ ion which is more stable.
asked
Feb 12, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
cbse
class-11
jee
jee mains
coordinatian compounds
class-12
structure of atom
+3
votes
1
answer
Identify the incorrect statement among the following: (a) 4f and 5f orbitals are equally shielded.
asked
Feb 11, 2019
in
JEE
by
kratos
d-and f- block elements
transition metals including lanthanides
jee mains
jee
coordinatian compounds
+2
votes
1
answer
The actinoids exhibit more number of oxidation states in general than the lanthanoids.
asked
Feb 10, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
cbse
jee
the d- and f- block elements
jee mains
coordinatian compounds
class-12
+2
votes
1
answer
Which of the following ions has the maximum magnetic moment ?
asked
Feb 10, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
class-11
jee
jee mains
coordinatian compounds
structure of atom
+2
votes
1
answer
Which of the following ions has the maximum magnetic moment?
asked
Jan 13, 2019
in
JEE
by
kratos
transition metals including lanthanides
jee
+3
votes
1
answer
The lanthanide contraction is responsible for the fact that (a) Zr and Y have about the same radius
asked
Jan 12, 2019
in
Class 12
by
kratos
transition metals including lanthanides
d-and f- block elements
neet
jee
jee mains
coordinatian compounds
+1
vote
1
answer
Arrange Ce^3+, La^3+, Pm^3+ and Yb^3+ in increasing order of their ionic radii.
asked
Jan 11, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
jee
periodic table
jee mains
periodicity of elements
+3
votes
1
answer
Identify the incorrect statement among the following.
asked
Jan 11, 2019
in
Chemistry
by
kratos
transition metals including lanthanides
d-and f- block elements
neet
neet 2020
jee
chemistry of non-metals
jee mains
coordinatian compounds
+3
votes
1
answer
More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is
asked
Jan 9, 2019
in
Class 12
by
kratos
transition metals including lanthanides
d-and f- block elements
neet
jee
jee mains
coordinatian compounds
+1
vote
1
answer
The atomic numbers of vanadium (V), chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23, 24, 25 and 26?
asked
Jan 7, 2019
in
JEE
by
kratos
transition metals including lanthanides
d-and f- block elements
jee
jee mains
periodicity of elements
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