Q2 of 5070_s17_qp_12

Question 2

Question 2 of 40

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No letter options?

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

2. Atoms, elements and co...

2.6. Giant covalent structures

Describe the giant covalent structures of graphite, diamond and silicon(IV) oxide, \( SiO_2 \)

2. Atoms, elements and co...

2.5. Simple molecules and covalent...

Describe the formation of covalent bonds in simple molecules, including \( H_2 \), \( Cl_2 \), \( H_2O \), \( CH_4 \), \( NH_3 \), \( HCl \), \( CH_3OH \), \( C_2H_4 \), \( O_2 \), \( CO_2 \) and \( N_2 \). Use dot-and-cross diagrams to show the electronic configurations in these and similar molecules

4. Electrochemistry

4.1. Electrolysis

Describe the transfer of charge during electrolysis to include: (a) the movement of electrons in the external circuit (b) the loss or gain of electrons at the electrodes (c) the movement of ions in the electrolyte