A solid element symbol (Y) conducts electricity and forms two chlorides YCln (a colourless volatile liquids) and YCln−2 (a colourless solid). To which of the following groups of the periodic table does Y belong?
A
13
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B
14
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C
15
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D
17
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Solution
The correct option is B 14 Element Y can probably be tin which conducts electricity and belongs to group 14. SnCl4 is a colourless volatile liquid whereas SnCl2 is a colourless solid.