XII UNIT 5 PART 4

XII UNIT 5 PART 4

12th Grade

10 Qs

quiz-placeholder

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XII UNIT 5 PART 4

XII UNIT 5 PART 4

Assessment

Quiz

Chemistry

12th Grade

Hard

Created by

Mz Che

Used 1+ times

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10 questions

Show all answers

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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