DP Chemistry (last assessment 2024)

Test builder »

Question 22M.1.sl.TZ2.10

Select a Test
Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.sl.TZ2.10
Level sl Paper 1 Time zone TZ2
Command term Identify Question number 10 Adapted from N/A
10.
[Maximum mark: 1]
22M.1.sl.TZ2.10

What is the type of bonding in a compound that has high boiling and melting points, poor electrical conductivity, and low solubility in water?

A.  Ionic

B.  Molecular covalent

C.  Metallic

D.  Giant covalent

[1]

Markscheme

D

Examiners report

58% of the candidates identified giant covalent bonding as the bonding in compounds with high melting and boiling points, poor electrical conductivity and low solubility in water. The most commonly selected distractor was ionic bonding. The question discriminated well between high-scoring and low-scoring candidates.

Syllabus sections