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Chemistry

Chemistry · Quick practice · answer shown after each question

Transition metals and complex ions

Question 1 of 10

Question 1 of 10

Write the electron configurations of Fe, Fe²⁺ and Fe³⁺. Explain why Fe³⁺ is more stable than Fe²⁺.

Question 2 of 10

Question 2 of 10

A complex ion consists of

Question 3 of 10

Question 3 of 10

A bidentate ligand

Question 4 of 10

Question 4 of 10

Platinum is used as a catalyst in catalytic converters.

Question 5 of 10

Question 5 of 10

The electron configuration of chromium (Z = 24) is

Question 6 of 10

Question 6 of 10

Explain, with examples, why transition metals and their compounds are good catalysts. Give three industrial examples.

Question 7 of 10

Question 7 of 10

A ligand is

Question 8 of 10

Question 8 of 10

State four characteristic properties of transition metals and explain any two in terms of electron structure.

Question 9 of 10

Question 9 of 10

Zinc is not regarded as a transition metal because

Question 10 of 10

Question 10 of 10

Water can act as a ligand.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.