Chemistry > 2005 > 8
WASSCE
The properties of four compounds P, Q, R and S are shown in the below. Which of them is ionic?
A.
| Compound | Electrical conductance in the molten state | Melting Point |
| P | Fairly good | 28°C |
B.
| Compound | Electrical conductance in the molten state | Melting Point |
| Q | Nil | 97°C |
C.
| Compound | Electrical conductance in the molten state | Melting Point |
| R | Poor | 158°C |
D.
| Compound | Electrical conductance in the molten state | Melting Point |
| S | Fairly good | 2015°C |
Answer: D
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