Inorganic Chemistry Answers

What would be observed when

Chlorine water is added to an aqueous solution of potassium iodide

What would be observed when

(i) Aqueous silver nitrate is added to potassium bromide solution, followed by aqueous ammonia

(ii) Concentrated sulphuric acid is added to a small amount of solid potassium iodide in a test tube

Briefly explain how the following s-block compounds can be prepared

(i) 𝑀𝑔𝑂(𝑠)

(ii) 𝑁𝑎𝐶𝑙(𝑠)

The Group I elements (Li to Cs) and Group II elements (Be to Ba) are s-block elements

(i) State and explain how the first ionisation energy of the elements vary from Group I to Group II and down the groups

A : From Group I to II

Explanation

B : Down the groups

Explanation

List all the metals of the first series of transition metals in order of increasing atomic number

How does the atomic radius of the elements vary across the series ? Explain

(i) Give any two properties that are typical to transition elements other than complex formation

(ii) Using Iron as example, give an illustration of each of the properties stated in (i) above

List all the metals of the first series of transition metals in order of increasing atomic number

Give a balanced equation for the reaction in which nitrogen is oxidised and reduced

Using equations only, Show how

(i) Ammonia can be prepared in the laboratory

(ii) A fertiliser can be prepared from a nitrogen compound with oxidation states -3 and +5

The elements of period 2 of the periodic table (Li to Ne) show periodic trend in their properties

Give one similarity or one differnce between the elements or compounds and this

A : Similarity

B : Difference