Inorganic Chemistry Quizz

The boiling points of the halogens increase down Group 7 because...

• Covalent bond strengths increase.

• Bond polarities increase.

• The surface areas of the molecules increase.

• Electronegativities increase.

Which element has the highest second ionisation energy?

• Na

• Mg

• Ne

• Ar

Which of these species is the best reducing agent?

• Cl₂

• Cl^-

• I₂

• I^-

Why is chlorine not used is large quantities in water treatment?

• Forms radicals

• Forms HCl in water

• Changes the colour of the water

• Produces a foul smell

Describe the trend in the first ionisation energy across period 3

• It increase

• It Decrease

• It doubles

• It stays the same