The diagram shows some parts of the periodic table with few elements. Identify the set of two elements which combine together to form a covalent compound with a formula of the type XY3.
A
2 and 3
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B
4 and 6
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C
5 and 7
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D
1 and 7
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Solution
The correct option is C 4 and 6 XY3 is formed as covalent compound as 4 and 6 are diagonally three place away and X is short of three atoms which it gets from Y so they combine to form covalent compound by sharing of electron.