1
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
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
The IUPAC name for the complex [Co(NO2)(NH3)5]Cl2 is
A
nitrito-N-pentaamminecobalt (III) chloride
B
nitrito-N-pentaamminecobalt (II) chloride
C
pentaammine nitrito-N-cobalt (II) chloride
D
pentaammine nitrito-N-cobalt (III) chloride
3
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
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
How many EDTA (ethylenediaminetetraacetic acid) molecules are required to make an octahedral complex with a Ca2+ ion?
A
Six
B
Three
C
One
D
Two
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12