The Periodic Table- work sheet

The Periodic Table
Section A
For each of the following questions only one of the lettered responses (A-D) is correct.
Select the correct response in each case and mark its code letter by connecting the dots as illustrated on the response sheet.

1.B Which one of the following equations does not represent a reaction of chlorine under suitable conditions?
A Cl2 + H2O HCl + HOCl
B 2Cl2 + CH4 CCl4 + 2H2
C 3Cl2 + 6NaOH 5NaCl + NaClO3 + 3H2O
D Cl2 + 2NaOH NaCl + NaOCl + H2O


2.A When the hydrogen halides dissolve in water acidic solutions are formed. Which has the highest pH (assuming all are equal concentrations)?
A Hydrogen fluoride
B Hydrogen chloride
C Hydrogen iodide
D Hydrogen bromide


3. In which one of the following changes has chlorine been oxidised?
A 3Cl2 + 2Fe 2FeCl3
B Cl2 + I2 2IC1
C Cl2 + 2KBr Br2 + 2KCl
D Cl2 + 2KOH H2O + KClO + KCl


4. 4. In which one of the following sequences are the oxides of the elements classified as basic, amphoteric and acidic respectively?
A Na, Mg, Al
B Na, K, S
C K, Al, P
D S, P, Mg


5. Which one of the following is true of the halogens as the Group is descended from chlorine to iodine?
A The atomic radius decreases.
B The colour of the element lightens.
C The melting point of the element increases.
D The oxidising power of the element increases.
5. 5. Which one of the following equations represents a reaction of chlorine?
A Cl2 + NaOH NaOCl + HCl
B Cl2 + Fe FeCl2
C Cl2 + H2O HCl + HOCl
D Cl2 + CH4 CH2Cl2 + H2