Atoms of the pair P and Cl will form covalent bonds in the compound. The correct option is (D)
Covalent bonds are formed between two non-metals. Of the given options the only option that has two non metals is P ( Phosphorous ) and Cl ( Chlorine ). Therefore they will form a covalent bond in a compound.
Chlorine is a halogen. It belongs to group 17 of the periodic table. Phosphorous is a p-block element which belongs to group 15. Group 15 is also called as nitrogen family.
Therefore, the atoms of the pair P and Cl will form covalent bonds in the compound. The correct option is (D)
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