Pharmaceutical Inorganic Chemistry Laboratory - Flame Tests and Compound Properties

Flashcards summarizing flame test colors, cobalt glass observations, precipitate characteristics, and special names of inorganic compounds from the Pharmaceutical Inorganic Chemistry Laboratory lecture notes.

Sodium Flame Test

Produces an intense yellow flame and appears nil through cobalt glass.

Lithium Flame Test

Produces a carmine red flame and appears purple through cobalt glass.

Strontium Flame Test

Produces a crimson flame and appears purple through cobalt glass.

Potassium Flame Test

Produces a violet flame and appears crimson through cobalt glass.

Calcium Flame Test

Produces a brick red flame and appears light green through cobalt glass.

Barium Flame Test

Produces a light green flame and appears bluish green through cobalt glass.

Lead Flame Test

Produces a white/blue flame and appears yellow through cobalt glass.

Magnesium Flame Test

Produces a brilliant white flame.

Thenard's blue

The cobalt compound with the formula $\text{Co}_3(\text{AlO}_2)_2$.

Scheele's green

The copper compound with the formula $\text{CuHAsO}_3$.

Rinman's green

The cobalt-zinc compound with the formula $\text{CoZnO}_2$.

Prussian blue

The iron complex compound with the formula $\text{Fe}_4[\text{Fe}(\text{CN})_6]_3$.

Turnbull's blue

The iron complex compound with the formula $\text{Fe}_3[\text{Fe}(\text{CN})_6]_2$.

St. Elmo's fire

Described in laboratory notes as phosphorus pentoxide, $\text{P}_2\text{O}_5$.

Water glass

Sodium silicate compound with the formula $\text{Na}_2\text{SiO}_3$.

$$\text{Zn}(\text{OH})_2$$

A white flocculent precipitate.

$$\text{CaC}_2\text{O}_4$$

Forms white octahedral crystals.

$$\text{AgCl}$$

A white curdy precipitate.

$$\text{Al}(\text{OH})_3$$

A white gelatinous precipitate.

$$\text{Fe}(\text{SCN})_3$$

Forms a blood red solution.

$$\text{Fe}(\text{OH})_2$$

Precipitate that is white, turning to red upon exposure.

$$\text{Fe}(\text{OH})_3$$

A reddish brown precipitate.

Hydrogen sulfide ($\text{H}_2\text{S}$)

A gas characterized by a rotten egg odor.

Arsine ($\text{AsH}_3$)

A gas characterized by a garlic odor.

Ozone ($\text{O}_3$)

A gas identified in the notes as having a garlic odor.

Ethyl acetate ($\text{CH}_3\text{COOC}_2\text{H}_5$)

An organic compound characterized by a fruity odor.