L6 redox and the halogens

Which of the "Halogens" is found in liquid state at room temperature?

• Flourine

• Astatine

• Iodine

• Bromine

Which of the "Halogens" could able to make the strongest ionic bond with Sodium metal?

• Iodine

• Bromine

• Chlorine

• Fluorine

Which of the following represents the observation when silver nitrate is added to chloride ions

• white solution

• white ppt

• colourless solution

• yellow ppt

Which of these equations shows reduction taking place?

• Mg → Mg²⁺ + 2e

• Cu - 2e → Cu²⁺

• Cu²⁺ + 2e → Cu

As you move down the group, halogens' reactivity...

• increases

• decreases

• doesn't change

• shows no trend.

The nucleus of which halogen is best at attracting electrons?

• fluorine

• iodine

• bromine

• chlorine

The process by which solid iodine particles change directly to gas without first becoming a liquid is called ____.

• evaporation

• ionization

• condensation

• sublimation

What is the oxidation number of chlorine in HClO?

• 0

• -1

• +1

• +5

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

Reduction is the ___________ of electrons.

• loss

• gain

• sharing

• transfer