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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3bn155

Select ALL correct classical (-ous/-ic) names.

A $FeSO X_{4}$ is ferrous sulfate
B $FeCl X_{3}$ is ferric chloride
C $SnCl X_{2}$ is stannous chloride
D $CuCl$ is cupric chloride

Answer: A, B, C

Classical -ous means the lower oxidation state: Fe

+ 2

, Sn

+ 2

are ferrous and stannous; Fe

+ 3

is ferric.

CuCl

has Cu

+ 1

, so it is cuprous chloride.

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