XII UNIT 5 PART 4
Quiz
•
Chemistry
•
12th Grade
•
Hard
Mz Che
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ligand → metal bond in a coordination complex is -----
covalent in nature
ionic nature
metallic nature
none
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the octahedral complexes, if the ------orbitals are involved in hybridisation
(n-2) f
(n-1) d
both (a) and (b)
none
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The complexes containing a central metal atom with unpaired electron(s) are ---------
dia magnetic.
ferro magnetic.
paramagnetic.
all the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The complexes containing a central metal atom with the electrons are paired, then the complexes will be -----------
ferro magnetic
diamagnetic
para magnetic
none
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ligands such as CO, CN-, en, and NH3 present in the complexes cause pairing of electrons present in the central metal atom. Such ligands are called ------------
strong field ligands
weak field ligands
both (a) and (b)
none
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnetic moment (Using spin only formula) --------
µs =√ n(n+ 2) =0
µs =√ n(n+ 1) =0
µs =√ n(n+3 ) =0
µs =√ n(n+4 ) =0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
VB theory does not provide a quantitative explanation as to why certain complexes are inner orbital complexes and the others are outer orbital complexes for the -------
same non-metal.
same metal.
same metalloids
all the above
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