SCS Yr 13 Group IV Chem

The inert pair effect means....

• The tendency to involve the ns² electrons in bonding decreases as you ascend the group.
• The tendency to involve the ns² electrons in bonding increases as you descend the group.
• The tendency to involve the ns² electrons in bonding decreases as you descend the group.
• The tendency to involve the np² electrons in bonding decreases as you ascend the group.

Identify the stable oxidation state carbon

• +6
• +2
• +4
• -4

Identify the stable oxidation state lead

• +6
• +2
• +4
• -4

Identify the stable oxidation state Tin

• +6
• +2
• -4
• +4

Identify the amphoteric oxide

• Lead dioxide
• Carbon monoxide
• Carbon dioxide
• Sodium oxide

Identify the covalent chloride that does not react with water

• GeCl₄

• PbCl₄

• SiCl₄

• CCl₄

Describe the reaction of group 4 chlorides with water

• Endothermic

• Hydrolysis

• Redox

• Neutralisation

When lead dioxide reacts with conc HCl, select the correct products

• PbCl₄ + Cl₂ + H₂O

• PbCl₄ + H₂O

• PbCl₂ + Cl₂ + H₂O

• PbCl₂ + Cl₂

Select the correct formula of the ALUMINATE ion

• [Al(OH)₄]^-

• [Al(OH)₃]^2-

• Al(OH)₃

• [Al(OH)₄]^2-

Select the correct formula of the PLUMBATE ion

• [Pb(OH)₄]^-

• [Pb(OH)₃]^2-

• Pb(OH)₃

• [Pb(OH)₄]^2-