Sign up for FREE

Week 10 Exp 2 - transition metals and colour

Last updated about 2 years ago

6 questions

Note from the author:

Explore lesson 2 Week 10 

5

6

Question 2

2.

Exam question - Colour is often used in chemistry to identify substances. Compare and contrast the origin of a copper(II) complex with the colour of the copper (II) ion in a flame test. You do not need to state any specific colours.

1

1

1

1

Question 1

1.

The arrangement of d-electrons in the complex with the formula [Cr(H2O)6]3+ can be represented using the diagram on the lesson powerpoint Q3 . Explain with reference to this diagram, why a solution containing this complex is coloured.

Question 3

3.

Predict the likely shape of the complex ion a) [Ag(CN)2]-

Linear

Trigonal Planar

Tetrahedral

Octahedral 

Square Planar

Question 4

4.

Predict the likely shape of the complex ion b) [Fe(CN)6]3-

Linear

Trigonal Planar

Tetrahedral

Octahedral

Square Planar

Question 5

5.

Predict the likely shape of the complex ion c) [NiCl4]2-

Linear

Trigonal Planar

Tetrahedral

Octahedral

Square Planar 

Question 6

6.

Predict the likely shape of the complex ion d) [CrCl2(H2O)4]+

Linear

Trigonal Planar

Tetrahedral

Octahedral 

Square Planar 