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COPPER(II) COMPLEX

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

What is the class of the ligand?

a)

Monodentate

b)

Polydentate

c)

Bridging

d)

Cyclic @ Ring

2.

How do determine the characterisation of this complex?

a)

HPLC

b)

FTIR

c)

NMR

d)

TG-DTG

3.

All of these below are classes of Cu, except..

a)

Borderline

b)

Nonferrous

c)

Earth

d)

Malleable

4.

How does homogenous solution turned to reaction mixture?

a)

By adding copper chloride solution.

b)

By adding methanol.

c)

By adding copper (II) chloride solution.

d)

By dissolving ethanol.

5.

What is the name of the ligand?

a)

4-cyclohexyl-5-(3-nitrophenyl)methyl-1,2,4-triazolin-5-thione

b)

4-cyclohexyl-3-(4- nitrophenyl)methyl-1,2,4-triazolin-5-thione

c)

4-cyclohexyl-3-(4- nitrophenyl)methyl-1,2,3-triazolin-5-thioneacid

d)

2-cyclomethyl-2-(4- nitrophenyl)methyl-1,2,4-triazolin-5-thione

6.

What is the last process that must be completed before forming the complex?

a)

Solute evaporation

b)

Solute deposition

c)

Solvent freezing

d)

Solvent evaporation

7.

What is the main application of this complex?

a)

as paints

b)

as electroplating

c)

as medicines

d)

as preservation of food