Question:
Which of the following form of sulphur can be prepared by pouring liquid sulphur into cold water?
Which of the following form of sulphur can be prepared by pouring liquid sulphur into cold water?
Updated On: Aug 15, 2024
- Monoclinic
- Rhombic
- Plastic
- Colloidal
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The Correct Option is C
Solution and Explanation
Allotropic forms of sulphur (i) Rhombic sulphur: It is prepared by evaporating solution of roll sulphur in $ \text{C}{{\text{S}}_{\text{2}}}\text{.} $ (ii) Monoclinic or Prismatic sulphur: It is prepared by melting sulphur in a dish and cooling till crust is formed. Two holes are made in the crust and liquid poured out. On removing the crust, colourless needle-shaped crystals of prismatic sulphur are seen. (iii) Plastic sulphur: It is obtained by pouring boiling sulphur in cold water when rubber like mass is obtained. (iv) Milk of sulphur: It is obtained by boiling milk of lime with sulphur and decomposing the calcium pentasulphide thus formed with HC1 when milk of sulphur is precipitated as white amorphous precipitate.
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