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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

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

Question 2 of 10

Question 2 of 10

Transition metals can show more than one oxidation state.

Question 3 of 10

Question 3 of 10

Transition metals are useful catalysts because they

Question 4 of 10

Question 4 of 10

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

Question 5 of 10

Question 5 of 10

For the complex ion [Cu(NH₃)₄(H₂O)₂]²⁺: (a) name the central ion and its oxidation state, (b) name the ligands, (c) state the coordination number and shape, (d) describe how it is formed from aqueous copper(II) ions.

Question 6 of 10

Question 6 of 10

The colour of aqueous Fe²⁺ ions is

Question 7 of 10

Question 7 of 10

The coordination number of the central ion in [Cu(H₂O)₆]²⁺ is

Question 8 of 10

Question 8 of 10

Transition elements are d-block elements that

Question 9 of 10

Question 9 of 10

Compared with group 1 metals, transition metals

Question 10 of 10

Question 10 of 10

A complex ion consists of

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