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प्रश्न
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas. Give reasons for each.
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उत्तर
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas because they react with hydrogen chloride.
Cao +2HCI → CaCl2 +H2O
2P2O5 + 3HCl → POCl3 + 3HPO3
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संबंधित प्रश्न
Name a black metallic oxide which reacts with hydrochloric acid to give a coloured solution.
Name the chemical in which gold can be dissolved.
Write the steps needed for flame test ?
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Convert hydrochloric acid to nascent chlorine.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCI->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
