1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Iron carbonyl, Fe(CO)5 is
A
tetranuclear
B
mononuclear
C
trinuclear
D
dinuclear
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
An example of a sigma bonded organometallic compound is
A
Grignard's reagent
B
ferrocene
C
cobaltocene
D
ruthenocene.
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is
A
3AgCl, 1AgCl. 2AgCl
B
3AgCl, 2AgCl, 1AgCl
C
2AgCl, 3AgCl, 2AgCl
D
1AgCl, 3AgCl, 2AgCl
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
A
[Co(H2O)6]3+, [Co(en)3]3+, [Co(NH3)6]3+
B
[Co(H2O)6]3+, [Co(NH3)6]3+, [Co(en)3]3+
C
[Co(NH3)6]3+, [Co(en)3]3+, [Co(H2O)6]3+
D
[Co(en)3]3+, [Co(NH3)6]3+, [Co(H2O)6]3+
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