polyatomic anions Flashcards by CHIU SONIA YUEN TING

Q

hydroxide ion

A

OH^-

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Q

cyanide ion

A

CN^-

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Q

nitrate ion

A

NO3^-

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Q

nitrite ion

A

NO2^-

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Q

hydrogencarbonate ion

A

HCO3^-

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Q

hydrogensulphate ion

A

HSO4^-

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Q

permanganate ion

colour?

A

MnO4^-

purple

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Q

sulphate ion

A

SO4^2-

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Q

sulphite ion

A

SO3^2-

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Q

silicate ion

A

SiO3^2-

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Q

chromate ion

A

CrO4^2-

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Q

dichromate ion

colour?

A

Cr2O7^2-

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Q

carbonate ion

A

CO3^2-

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Q

phosphate ion

A

PO4^3-

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