When solid aluminium chloride is heated, $$$\mathrm{Al}_{2} \mathrm{C} l_{6}$$$ is formed. Which bonding is present in $$$\mathrm{Al}_{2} \mathrm{Cl}_{6}$$$ ?

covalent and coordinate (dative covalent)

covalent only

ionic and coordinate (dative covalent)

ionic only

Chemistry

IGCSE&ALevel

CAIE

Exam No：9701_s24_qp_11 Year：2024 Question No：5

Answer:

2.3.1.1 the prediction of ionic charge from the position of an element in the Periodic Table

2.3.1.2 recall of the names and formulae for the following ions:

2.3.2 write and construct equations (which should be balanced), including ionic equations (which should not include spectator ions)

2.3.3 use appropriate state symbols in equations

2.3.4 define and use the terms empirical and molecular formula

2.3.5 understand and use the terms anhydrous, hydrated and water of crystallisation calculate empirical and molecular formulae, using given data