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Physical properties of Alkynes
(a) it is a colourless gas. It comprises a garlic odour. The odour is because of existence of impurities of phosphorous and hydrogen sulphide. Though, pure acetylene has pleasant odour.
(b) It is insoluble in water but very soluble in alcohol and acetone. Acetylene is transferred within high pressure in acetone soaked on porous material packed in steel cylinders.
(c) the boiling point of it is - 840C.
(d) It is lighter as compared to air. It is somewhat poisonous in nature.
(e) It burns along with luminous flame and generates explosive mixture with air.
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