Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged chromium
+1
vote
1
answer
Which of the listed electronic configurations corresponds to the atom of Chromium?
asked
Apr 5, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Changing of acid-basic properties in compounds MnO – MnO2 – Mn2O7 corresponds to such rule:
asked
Mar 31, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
When oxidized with oxygen Manganese forms:
asked
Mar 29, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Which of the listed electronic configurations corresponds to Fe^3+ion
asked
Mar 17, 2019
in
JEE
by
kratos
d-elements
jee
platinum metals
jee mains
iron
chromium
+1
vote
1
answer
Which compounds of Chromium through the listed ones have acidic properties?
asked
Mar 15, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+2
votes
1
answer
Which of the listed electronic configurations corresponds to Cr^3+ ion?
asked
Mar 6, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Which of the following is amphoteric oxide? Mn2O7, CrO3, Cr2O3, CrO, V2O5, V2O4
asked
Feb 28, 2019
in
JEE
by
kratos
d-and f- block elements
d-elements
cbse
jee
the d- and f- block elements
jee mains
class-12
chromium
+1
vote
1
answer
What compounds of Tungsten should be reduced with hydrogen to get metallic Tungsten?
asked
Feb 26, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+3
votes
1
answer
Which of the listed compounds of Chromium have basic properties only?
asked
Feb 5, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+3
votes
1
answer
Arrange the given in increasing order of acidic character : CrO3, CrO, Cr2O3.
asked
Jan 27, 2019
in
JEE
by
kratos
d-and f- block elements
d-elements
cbse
coordination compounds
jee
the d- and f- block elements
transition elements
jee mains
class-12
chromium
+3
votes
1
answer
Which of the listed electronic configurations corresponds to Mn^2+ ion?
asked
Jan 12, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+2
votes
1
answer
Which of the listed Manganese compounds can undergo self reduction self-oxidation reaction in solution?
asked
Jan 2, 2019
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+2
votes
1
answer
Which of the listed electronic configurations corresponds to Cr^6+ ion?
asked
Dec 26, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
What are the products of the oxidation reaction of Cr and W by the oxygen of the air?
asked
Dec 19, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Explain the transformation MnO4^– → MnO2
asked
Dec 18, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Which of the listed electronic configurations corresponds to atom of Mn?
asked
Dec 15, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+1
vote
1
answer
Complete the following chemical equations: (i) Cr2O7^2- +H^+ +I^- →u200b
asked
Dec 5, 2018
in
JEE
by
kratos
d-elements
cbse
class-11
jee
redox reaction
jee mains
redox reactions
class-12
chromium
+3
votes
1
answer
Which of the Manganese compounds display basic properties?
asked
Nov 25, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+2
votes
1
answer
Which of the listed electronic configurations corresponds to Cr^2+ ion?
asked
Nov 25, 2018
in
JEE
by
kratos
jee
d-elements
jee mains
chromium
+3
votes
1
answer
Two oxide samples of lead were heated in the current of hydrogen and were reduced to the metallic lead.
asked
Nov 19, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
neet
d-elements
jee
class-10
icse
jee mains
chromium
metallurgy
To see more, click for the
full list of questions
or
popular tags
.