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SAT BIOOO > Test for Ions and Gases > Flashcards

Test for Ions and Gases Flashcards

0
Q

Na+ (Sodium ion)

A

Flame test - Orange flame

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1
Q

Li+ (Lithium ion)

A

Flame test - Red flame

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2
Q

K+ (Potassium ion)

A

Flame test - Lilac flame

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3
Q

Ca2+ (Calcium ion)

A

Flame Test - Orange red flame (brick red)

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4
Q

NH4+ ion (Ammonium ion)

A

Add NaOH (Sodium Hydroxide) and observe the NH3 (Ammonia) evolved

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5
Q

Cu2- (Copper (II) ion)

A 
Add NaOH (sodium hydroxide)
Blue precipitate of Cu(OH)2 (Copper (II) Hydroxide) Forms
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6
Q

Fe2+ (Iron (II) ion)

A

Add NaOH

Green precipitate of Fe(OH)2 (Iron (II) hydroxide) forms

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7
Q

Fe3+ (Iron (III) ion)

A

Add NaOH

Orange-Brown precipitate of Fe(OH)3 (Iron (III) Hydroxide) forms

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8
Q

Cl- (Chlorine ion)

A

Add dilute HNO3 (Nitric Acid)
Add AgNO3 (Silver Nitrate)
White precipitate of AgCl (Silver Chloride) forms

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9
Q

Br- (Bromine ion)

A

Add dilute HNO3 (Nitric Acid)
Add AgNO3 (Silver Nitrate)
Pale cream precipitate of AgBr (Silver Bromide) forms

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10
Q

I- (Iodide ion)

A

Add dilute HNO3 (Nitric Acid)
Add AgNO3 (Silver Nitrate)
Yellow precipitate of AgI (Silver Iodide) forms

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11
Q

SO4 2- (Sulfate ion)

A

Add dilute HCl (Hydrochloric acid)
Add BaCl2 (Barium Chloride) solution
White precipitate of BaSO4 (Barium sulfate) forms

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12
Q

CO3 2- (Carbonate ion)

A

Add dilute HNO3 (Nitric Acid) and identify CO2 (carbon dioxide) evolved

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13
Q

H2 (Hydrogen gas)

A

Collect gas over water or in an upright test tube

Lighted splint produces a squeaky-pop

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14
Q

O2 (Oxygen gas)

A

Collect gas over water

Glowing splint will relight

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15
Q

CO2 (carbon dioxide)

A

Collect gas over water or in a downright test tube
Turns limewater cloudy
Ca(OH)2 (calcium hydroxide) will produce a white precipitate of CaCO3 (calcium carbonate)

16
Q

Cl2 (Chlorine gas)

A

Collect gas in a downwards test tube

Bleaches damp litmus paper

SAT BIOOO (2 decks)

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