Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni(II). Which of the following statements is not true?
A
Red complex has a square planar geometry.
B
Complex has symmetrical H-bonding.
C
Red complex has a tetrahedral geometry.
D
Dimethylglyoxime functions as bidenate ligand.
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Low spin complex of d6-cation in an octahedral field will have the following energy
A
$${{ - 12} \over 5}{\Delta _o} + P$$
B
$${{ - 12} \over 5}{\Delta _o} + 3P$$
C
$${{ - 2} \over 5}{\Delta _o} + 2P$$
D
$${{ - 2} \over 5}{\Delta _o} + P$$
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
The catalytic activity of transition metals and their compounds is ascribed mainly to
A
their magnetic behaviour
B
their unfilled $$d$$-orbitals
C
their ability to adopt variable oxidation states
D
their chemical reactivity
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential $$\left( {E_{{M^{2 + }}/M}^o} \right)$$ value has a positive sign?
