1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In Fe(CO)5, the Fe – C bond possesses :
A
π-character only
B
both $$\sigma$$ and π characters
C
ionic character
D
$$\sigma$$-character
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Nickel (Z = 28) combines with a uninegative monodentate ligand X to form a paramagnetic complex [NiX4]2− . The number of unpaired electron(s) in the nickel and geometry of this complex ion are, respectively
A
one, tetrahedral
B
two, tetrahedral
C
one, square planar
D
two, square planar
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The oxidation state of Cr in [Cr(NH3)4Cl2]+ is :
A
+3
B
+2
C
+1
D
0
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The IUPAC name of the coordination compound K3[Fe(CN)6] is
A
Potassium hexacyanoferrate (II)
B
Potassium hexacyanoferrate (III)
C
Potassium hexacyanoiron (II)
D
Tripotassium hexcyanoiron (II)
JEE Main Subjects
EXAM MAP