Point out the correct set of diamagnetic substances.
A
Aluminium, sodium calcium and oxygen
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B
Bismuth, copper, lead and silicon
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C
Cobalt, nickel, gadolinium and aluminium
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D
Silver, niobium, magnesium and calcium
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Solution
The correct option is B Bismuth, copper, lead and silicon Bismuth, copper, lead, and silicon all are having the diamagnetic property as atoms of these materials have resultant magnetic moment zero. Hence, the correct option is (B)