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Z Chemistry > Halogen Tests > Flashcards

Halogen Tests Flashcards

1
Q

observation:

KCl + AgNO3

A

white precipitate

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2
Q

observation:

KBr + AgNO3

A

cream precipitate

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3
Q

observation:

KI + AgNO3

A

yellow precipitate

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4
Q

observation:

KCl + dilute NH3

A

precipitate dissolves

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5
Q

observation:

KBr + dilute NH3

A

no change

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6
Q

observation:

KI + dilute NH3

A

no change

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7
Q

observation:

KI + concentrated NH3

A

no change

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8
Q

observation:

KBr + concentrated NH3

A

precipitate dissolves

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9
Q

observation:

Cl2 + water

A

pale green

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10
Q

observation:

Br2 + water

A

orange

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11
Q

observation:

I2 + water

A

red/brown

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12
Q

observation:

Cl2 + cyclohexene

A

pale green

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13
Q

observation:

Br2 + cyclohexene

A

dark orange

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14
Q

observation:

I2 + cycohexene

A

violet

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15
Q

observation:

KBr + chlorine water

A

cyclohexene =orange

water =orange

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16
Q

observation:

KI + chlorine water

A 
cyclohexene = violet
water =brown
17
Q

observation:

KCl + bromine water

A 
cyclohexene = orange
water = orange
18
Q

observation:

KI + bromine water

A 
cyclohexene = violet
water =brown
19
Q

observation:

KCl + iodine water

A 
cyclohexene = violet
water =brown
20
Q

observation:

KBr + iodine water

A 
cyclohexene =violet
water =brown
21
Q

making bleach reaction & conditions

A

Cl2+ NaOH -> NaClO + NaCl + H2O

cold, dilute NaOH

Z Chemistry (17 decks)

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