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NEET levelSingle correct optionDifficulty 1 of 3pn202

The number of P-O-P linkages in one molecule of $P X_{4} O X_{10}$ is

A6
B10
C4
D12

Answer: A

P X_{4} O X_{10}

has a cage of four P atoms joined through six bridging oxygen atoms (six P-O-P links); each P also carries one terminal P=O oxygen, 4 in all.

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