Question
Download Solution PDFWhich of the following salts does NOT contain water of crystallisation?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFKey Points
- Baking soda (sodium bicarbonate) does not contain water of crystallisation.
- Washing soda (sodium carbonate decahydrate) contains 10 molecules of water of crystallisation.
- Blue vitriol (copper sulfate pentahydrate) contains 5 molecules of water of crystallisation.
- Gypsum (calcium sulfate dihydrate) contains 2 molecules of water of crystallisation.
Additional Information
- Water of crystallisation refers to the fixed number of water molecules present in one formula unit of a salt.
- The presence of water of crystallisation gives crystalline salts their structure and, often, their color.
- Salts without water of crystallisation are termed as anhydrous salts.
Last updated on Jun 7, 2025
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