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1D MIDTERMS > ANACHEM LAB > Flashcards

ANACHEM LAB Flashcards

1
Q

Members of Group 1 Cations

A

1 Chloride
2 Bromide
3 Iodide
4 Cyanide
5 Ferrocyanide
6 Ferricyanide
7 Thiocyanate

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2
Q

Chlorides, Bromides, and Iodides are mostly in ____________________

A

Single oxidation State

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3
Q

Chlorides, Bromides, and Iodides with hydrogen form __________________

A

Hydrohalides

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4
Q

Chlorides, Bromides, and Iodides form precipitate with ______________ with characteristic colors that could he as a means of identifying them from one another.

A

Silver Ions

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5
Q

Chlorides, Bromides, and Iodides are ________ reducing agents

A

Good

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6
Q

Cl-

A

Chloride

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7
Q

Br-

A

Bromide

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8
Q

I-

A

Iodide

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9
Q

CN-

A

Cyanide

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10
Q

Fe(CN)6 4-

A

Ferrocyanide

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11
Q

Fe(CN)6 3-

A

Ferricyanide

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12
Q

SCN-

A

Thiocyanate

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13
Q

when _________ halides are heated with a few drops of ___________ or conc _______ they form to their corresponding hydrohalide gasses

A

Alkali, H2SO4, HCl

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14
Q

Chloride evolve in to hydrohalide form

A

HCl gas (WHITE FUMES)

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15
Q

Bromide evolve in to hydrohalide form

A

HBr, Br2, SO2 gases (BROWN ON WARMING, and WHITE FUMES)

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16
Q

Iodide evolve in to hydrohalide form

A

HI, I2, SO2 gases (BROWN ON WARMING VIOLET VAPORS)

17
Q

Color of Precipitate and Solubility in H20, NH4OH, and HNO3 of AgCl

A

White, insoluble (Water), Soluble (NH4OH), Insoluble (HNO3)

18
Q

Color of Precipitate and Solubility in H20, NH4OH, and HNO3 of AgBr

A

Cream, Soluble (Water), Slightly soluble (NH4OH), Insoluble HNO3

19
Q

Color of Precipitate and Solubility in H20, NH4OH, and HNO3 of AgI

A

Light Yellow, slightly soluble (Water), Insoluble (NH4OH & HNO3)

20
Q

An iodine solution added to starch solution will give a characteristic ____________ color

A

dark blue

21
Q

When an alkali iodide is added to a solution of mercuric chloride ___________________________ will precipitate which is soluble in excess of the iodide salt.

A

a scarlet mercuric iodide

22
Q

Members of Group II Anions

A
  1. Sulfide
  2. Nitrite
  3. Acetate
23
Q

S2-

A

Silfide

24
Q

NO2-

A

Nitrite

25
Q

CH2COO+

A

Acetate

26
Q

Development of Hydrogen Sulfide is characterized by _____________________________

A

Unpleasant Smell

27
Q

__________________________ gas is colorless with an offensive odor ( similar to the odor of a spoiled egg ). It is poisonous and breathing in moderate
concentration can be fatal

A

Hydrogen Sulfide

28
Q

_____________ yields white needle-like crystals of AgNO2, silver nitrate, with the nitrite ions.

A

Silver nitrate

1D MIDTERMS (5 decks)

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