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Question #14e86

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Ernest Z. · dwayne · Shreyans Bhansali · Priya

Mar 25, 2014

PHYSICAL PROPERTIES

Odourless, white, cubic crystals
Hygroscopic
Characteristic salty taste
Melting point = 800.8 °C
Boiling point = 1465 °C
Density = 2.165 g/cm³
Solubility at 25 °C = 35.9 g/100 g water
Vapour pressure at 865 °C = 1 mm Hg
Solid does not conduct electricity
Liquid conducts electricity
Aqueous solution conducts electricity

CHEMICAL PROPERTIES

Does not undergo combustion
Electrolysis of molten NaCl forms chlorine gas and metallic sodium

$2NaCl(l) \to 2Na(l) + {Cl}_{2} (g)$ $"2NaCl(l)" → "2Na(l)" + "Cl"_2"(g)"$

Concentrated sulfuric acid converts it to hydrogen chloride

$2NaCl(s) + H_{2} {SO}_{4} (l) \to {Na}_{2} {SO}_{4} (s) + 2 HCl (g)$ $"2NaCl(s)" + "H"_2"SO"_4"(l)" → "Na"_2"SO"_4(s) + 2"HCl"(g)$

Aqueous solution reacts with aqueous silver nitrate to form silver chloride

$NaCl(aq) + {AgNO}_{3} (aq) \to {NaNO}_{3} (aq) + AgCl(s)$ $"NaCl(aq)" + "AgNO"_3"(aq)" → "NaNO"_3"(aq)"+ "AgCl(s)"$

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