Q8 of 9701_s24_qp_11

Question 8

Question 8 of 40

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Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.

A 1, 2 and 3 are correct

B 1 and 2 only are correct

C 2 and 3 only are correct

D 1 only is correct

Topics Tested

3. Chemical bonding

3.6. Intermolecular forces, electro...

(a) describe hydrogen bonding, limited to molecules containing N–H and O–H groups, including ammonia and water as simple examples (b) use the concept of hydrogen bonding to explain the anomalous properties of H\(_2\)O (ice and water): • its relatively high melting and boiling points • its relatively high surface tension • the density of the solid ice compared with the liquid water

11. Group 17

11.1. Physical properties of the Gr...

describe and explain the trend in the bond strength of the halogen molecules

11. Group 17

11.2. The chemical properties of th...

describe the relative thermal stabilities of the hydrogen halides and explain these in terms of bond strengths