PICLEC: GROUP IIA & IIB

Question 1

This group is Bivalent

Solubility:
- Hydroxide salts are less water soluble than those of alkalis
- Carbonates, Sulfate, Phosphates and Fluoride salts are INSOLUBLE in water

Answer 1

GROUP IIA - THE ALKALINE EARTH METALS

Question 2

GROUP IIA - THE ALKALINE EARTH METALS
- Brick red in non luminous flame

Answer 2

CALCIUM

Question 3

GROUP IIA - THE ALKALINE EARTH METALS
- Found in nature in the form of carbonate (chalk, limestone, marble)
- Ca+ ion
- 2nd most abundant element in ECF

Answer 3

CALCIUM

Question 4

Pharmacologic action:
- Nerve transmission
- Proper cardiac function
- Blood coagulation
- Structural basis of skeleton

Answer 4

CALCIUM

Question 5

GROUP IIA - CALCIUM
- Sedative

Answer 5

CALCIUM BROMIDE

Question 6

GROUP IIA - CALCIUM
- Most abundant and widely distributed calcium salt

Forms:
- Amorphous - Chalk
- Crystalline - Limestone, marble

Answer 6

CALCIUM CARBONATE

Question 7

GROUP IIA - CALCIUM
Calcium carbonate
- External: as Dentrifice (tooth powder) due to mild abrasive property
- Internal: Antacid
- Precipitated chalk

Answer 7

PRECIPITATED CALCIUM CARBONATE

Question 8

GROUP IIA - CALCIUM
- Drop chalk
- Antacid

Answer 8

PREPARED CHALK

Question 9

GROUP IIA - CALCIUM
- Ringer’s solution
- Lactated Ringer’s solution
- Urinary acidifier

Answer 9

CALCIUM CHLORIDE

Question 10

GROUP IIA - CALCIUM
Calcium chloride
- Isotonic solution of three chlorides:
Calcium (Ca), Sodium (Na), and Potassium (K) chlorides

Answer 10

RINGER’S SOLUTION

Question 11

GROUP IIA - CALCIUM
Calcium chloride
- Calcium (Ca), Sodium (Na), Potassium (K) chlorides + sodium lactate

Answer 11

LACTATED RINGER’S SOLUTION

Question 12

GROUP IIA - CALCIUM
- Calcium supplement

Answer 12

CALCIUM GLUCONATE

Question 13

GROUP IIA - CALCIUM
- “Hydrated lime or Slaked lime”

Answer 13

CALCIUM HYDROXIDE

Question 14

GROUP IIA - CALCIUM
- Mixed with 3-4x of water = “Milk of Lime”
- Saturated aqueous solution = “Lime water”

Answer 14

CALCIUM HYDROXIDE

Question 15

GROUP IIA - CALCIUM
Uses:
- Antacid
- Mild astringent
- Saponifying agent for oils

Answer 15

CALCIUM HYDROXIDE

Question 16

GROUP IIA - CALCIUM
- “Lime”, “Calyx”, “Quicklime”

Answer 16

CALCIUM OXIDE

Question 17

GROUP IIA - CALCIUM
- Slaking: CaO+ H2O = Ca(OH)2
- Used in making Insecticides

Answer 17

CALCIUM OXIDE

Question 18

GROUP IIA - CALCIUM
- “Velminckx’ solution”

Answer 18

SULFURATED LIME SOLUTION

Question 19

GROUP IIA - CALCIUM
- Lime + Sublimed sulfur
- Treatment of acne

Answer 19

SUKFURATED LIME SOLUTION

Question 20

GROUP IIA - CALCIUM
- Source of Calcium and Phosphorus
- Can be supplied with Vitamin D = increases Ca absorption

Answer 20

DIBASIC CALCIUM PHOSPHATE

Question 21

GROUP IIA - CALCIUM
- “Precipitated calcium phosphate”
- Antacid

Answer 21

TRIBASIC CALCIUM PHOSPHATE

Question 22

GROUP IIA - CALCIUM
- “Bone ash”

Answer 22

TRIBASIC CALCIUM PHOSPHATE

Question 23

GROUP IIA - CALCIUM
- “Chlorinated Lime”, “Chloride of lime”

Answer 23

BLEACHING POWDER

Question 24

GROUP IIA - CALCIUM
- CaOCl(Cl) H2O
- Disinfectant, Bleaching agent

Answer 24

BLEACHING POWDER

Question 25

GROUP IIA - CALCIUM
- Dihydrate = Gypsum (filler for wall paper)
- Hemihydrate = Plaster of Paris (Used in surgery for making cast)

Answer 25

CALCIUM SULFATE

Question 26

GROUP IIA - CALCIUM
- “Sulfurated Lime”, “Calcic liver of sulfur”, “Hepar calcis”

• Treatment of Acne

Answer 26

CALCIUM SULFIDE

Question 27

GROUP IIA - THE ALKALINE METALS
- Nature form of Sulfate (Barite, heavy spar)
- Similar to Ca+ ion but has weaker effect and less toxic

Answer 27

STRONTIUM

Question 28

GROUP IIA - THE ALKALINE METALS
- Crimson red in non luminous flame

Answer 28

STRONTIUM

Question 29

GROUP IIA - STRONTIUM
- Sedative

Answer 29

STRONTIUM BROMIDE

Question 30

GROUP IIA - THE ALKALINE METALS
- Used in sugar industry

Answer 30

STRONTIUM HYDROXIDE

Question 31

GROUP IIA - THE ALKALINE METALS
- Used in Pyrotechnics

Answer 31

STRONTIUM NITRATE