1
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.
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)
A
1
B
3
C
4
D
2
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at 25oC?
A
CoCl3 $$ \cdot $$ 5NH3
B
CoCl3 $$ \cdot $$ 6NH3
C
CoCl3 $$ \cdot $$ 3NH3
D
CoCl3 $$ \cdot $$ 4NH3
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Which of these statements about [Co(CN)6]3$$-$$ is true?
A
[Co(CN)6]3$$-$$ has four unpaired electrons and will be in a high-spin configuration.
B
[Co(CN)6]3$$-$$ has no unpaired electrons and will be in a high-spin configuration.
C
[Co(CN)6]3$$-$$ has no unpaired electrons and will be in a low-spin configuration.
D
[Co(CN)6]3$$-$$ has four unpaired electrons and will be in a low-spin configuration.
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