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H2 Chemistry > Inorganic QA > Flashcards

Inorganic QA Flashcards

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1
Q

Colour of Mn2+ ion

A

very light pink

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2
Q

Colour of Al3+

A

Colourless

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3
Q

Colour of Pb0 (s)

A

Pale Yellow

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4
Q

Colour of Fe2+

A

Pale Green

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5
Q

Colour of PbI2

A

Pale Yellow

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6
Q

Color of Br2 in CCl4

A

Reddish Brown

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7
Q

Color of AgBr

A

Very Pale Yellow

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8
Q

Color of CuO

A

Black

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9
Q

Colour of Cu2O (Not CuO)

A

Reddish Brown

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10
Q

Color of Fe2O3

A

Reddish Brown

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11
Q

Color of CuCl2

A

Green

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12
Q

Color of CuCO3

A

green

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13
Q

Colour of Cr3+

A

Bluish Green

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14
Q

Colour of I2 in CCl4

A

Purple

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15
Q

Colour of metal powder

A

Grey

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16
Q

Colour of MnO2 (S)

A

Black

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17
Q

Colour of FeO (S)

A

Black

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18
Q

Colour of very dilute I2 in KI solution

A

Very pale yellow

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19
Q

CO3- and Dilute HCl/H2SO4

A

CO2 gives white precipitate in limewater

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20
Q

AgNO3 and Cl-

A

White precipitate SOLUBLE in dilute NH3

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21
Q

AgNO3 and I-

A

Yellow precipitate INSOLUBLE in dilute NH3

22
Q

AgNO3 and Br-

A

PALE CREAM precipitate INSOLUBLE in dilute NH3

23
Q

Pb(NO3)2 and I-

A

YELLOW ppt soluble in HOT water

24
Q

Pb(NO3)2 and Br-

A

White ppt soluble in HOT water

25
Q

Pb(NO3)2 and Cl-

A

White ppt soluble in HOT water

26
Q

SO4 2- (Sulfate) and BaCl2

A

White precipitate insoluble in dilute acid

27
Q

Sulfite So32- and BaCl2

A

White precipitate soluble in dilute acid

28
Q

Sulfite (SO32-) and Pb(NO3)2

A

White precipitate soluble in dilute acid

29
Q

SO4 2- (Sulfate) and Pb(NO3)2

A

White ppt soluble in dilute acid

30
Q

CrO42- and BaCl2

A

Yellow ppt sol in dilute acid to give an orange solution

31
Q

Pb(No3)2 and CrO42-

A

Yellow ppt sol in dil acid to give an orange solution

32
Q

Colour of CrO42-

A

Yellow

33
Q

HCL and CrO42-

A

Orange Cr2O72- formed

34
Q

KI and Pb2+

A

Yellow ppt sol in hot solubtion. Gives Golden Crystals upon forminh

35
Q

KI and Cu2+

A

White ppt in brown solution

36
Q

Fe3+ (Not Fe2+) and KI

A

Brown I2 formed

37
Q

Mn2+ and NaOH

A

Off-white precipitate rapidly turning brown in contact with air

38
Q

Mn2+ and Na2CO3

A

Off-white precipitate rapidly turning brown in contact with air

39
Q

Mn2+ and NH3

A

Off-white precipitate rapidly turning brown in contact with air

40
Q

Cu2+ and NaCO3

A

Pale blue ppt (turn black upon heating)

41
Q

Cu2+ and NH3

A

Blue ppt in ex sol giving dark blue sol

42
Q

Cr3+ and Na2CO3

A

Grey green ppt of Cr(OH)3 with CO2

43
Q

Cr3+ and NaOH

A

Grey green ppt sol in xs giving dark green solution

44
Q

Cr3+ and NH3

A

Grey green ppt

45
Q

CrO42- and Pb2+

A

Bright yellow ppt

46
Q

Zinc and NH3

A

White ppt soluble in excess(SPECIAL)

47
Q

Test for NO3-

A

NH3 liberated on heating with OH- and Al foil

48
Q

Test for SO42-

A

Gives wihite ppt with Ba2+ and Pb2+

49
Q

Test for SO32-

A

Gives white ppt with Ba2+

SO2 liberated with dilute acid

50
Q

Ba2+ and NaOH

A

NO PPT (if it is pure)

H2 Chemistry (7 decks)

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