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Chemistry > Qualitative analysis > Flashcards

Qualitative analysis Flashcards

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1
Q

test and result

carbonate

A

add dilute acid and test for carbon dioxide. Effervescence produced

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2
Q

test and result

chloride

A

add dilute nitric acid and then aqueous silver nitrate. White ppt produced

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3
Q

test and result

bromide

A

add dilute nitric acid and then aqueous silver nitrate. Cream ppt produced

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4
Q

test and result

iodide

A

add dilute nitric acid and then aqueous silver nitrate. Yellow ppt

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5
Q

test and result

nitrate

A

add aqueous sodium hydroxide and then aluminium foil. Warm carefully, ammonia produced

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6
Q

test and result

sulfate

A

add dilute nitric acid and then aqueous barium nitrate. White ppt produced (barium sulfate)

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7
Q

test and result

sulfite

A

add a small volume of acidified aqueous potassium manganate (VII). The acidified aqeuous potassium manganate (VII) changes from purple to colourless

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8
Q

Aqueous NaOH on Al3+

A

white ppt soluble in excess giving a colourless solution

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9
Q

Aqueous NaOH on NH4+

A

ammonia produced on warming

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10
Q

Aqueous NaOH on Ca2+

A

white ppt insoluble in excess

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11
Q

Aqueous NaOH on Zn2+

A

white ppt soluble in excess giving a colourless solution

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12
Q

Aqueous NaOH on Cr3+

A

green ppt soluble in excess

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13
Q
A
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Chemistry (7 decks)

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