Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas. Give reasons for each. [2 MARKS]

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Solution

Reason: 1 Mark
Equations: 1 Mark

Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas because they react with the gas.
$C a O + 2 H C l \to C a C l_{2} + H_{2} O$
$2 P_{2} O_{5} + 3 H C l \to P O C l_{3} + 3 H P O_{3}$

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Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas. Give reasons for each. [2 MARKS]

Reason: 1 Mark Equations: 1 Mark Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas because they react with the gas. CaO+2HCl→CaCl2+H2O 2P2O5+3HCl→POCl3+3HPO3

Reason: 1 Mark
Equations: 1 Mark

Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas because they react with the gas.
$C a O + 2 H C l \to C a C l_{2} + H_{2} O$
$2 P_{2} O_{5} + 3 H C l \to P O C l_{3} + 3 H P O_{3}$