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JEE Main levelSingle correct optionDifficulty 2 of 3bn080

Which is the correct name for $CuSO X_{4} \cdot 5 H X_{2} O$ in IUPAC style with Stock notation and a Greek prefix for the water of hydration?

Acopper(I) sulfate pentahydrate
Bcopper(II) sulfite pentahydrate
Ccopper(II) sulfate hexahydrate
Dcopper(II) sulfate pentahydrate

Answer: D

SO X_{4} X^{2 -}

is sulfate with charge

- 2

, so Cu is

+ 2

: copper(II). Five

H X_{2} O

molecules are named with the prefix penta- as pentahydrate.

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