1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In the extraction of copper from its sulphide ore. the metal is finally obtained by the reduction of cuprous oxide with
A
carbon monoxide
B
copper (I) sulphide
C
sulphur dioxide
D
iron (II) sulphide.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Assuming complete ionisation, same moles of which of the following compounds will require the least amount of acidified KMnO4 for complete oxidation?
A
FeSO3
B
FeC2O4
C
Fe(NO2)2
D
FeSO4
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration of gadolinium?
A
[Xe]4f95s1
B
[Xe]4f75d16s2
C
[Xe]4f65d26s2
D
[Xe]4f86d2
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The name of complex ion, [Fe(CN)6]3$$-$$ is
A
hexacyanitoferrate (III) ion
B
tricyanoferrate (III) ion
C
hexacyanidoferrate (III) ion
D
hexacyanoiron (III) ion.
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