Refer to the given Venn diagram and select the correct option regarding P and Q.
A
P: HCl and Q: N2
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B
P: HF and Q: O2
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C
P: Cl2 and Q: O2
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D
P: Cl2 and Q: HCl
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Solution
The correct option is B P: HF and Q: O2 Polar molecules have a significant difference in electronegativity among their constituent atoms. Therefore HCl and HF are the only options for compound P.
N2 contains a triple bond due to the presence of 5 valance electrons in the outermost shell of nitrogen and O2 forms a double bond due to the presence of 6 valance electrons.