(a) What is the molecular formula and structure of the alcohol which c

1.	(a) What is the molecular formula and structure of the alcohol which can be thought to be derived from pentane ?(b) What makes the candle flame yellow and luminous ?
Answer» (a) C₅H₁₂O or C₅H₁₁OH (b) When a candle is lighted, the wax melts, rises up the wick and gets converted into vapours. In a candle, there is no provision for the proper mixing of oxygen (of air) for burning wax vapours. So, the wax vapours bum in an insufficient supply of oxygen (of air) which leads to incomplete combustion of wax. This incomplete combustion of wax produces small unburnt carbon particles. These solid carbon particles rise in the flame, get heated and glow to give out yellowish light. This makes the candle flame yellow and luminous.

(a) What is the molecular formula and structure of the alcohol which can be thought to be derived from pentane ?(b) What makes the candle flame yellow and luminous ?

Answer»

(a) C₅H₁₂O or C₅H₁₁OH

(b) When a candle is lighted, the wax melts, rises up the wick and gets converted into vapours. In a candle, there is no provision for the proper mixing of oxygen (of air) for burning wax vapours. So, the wax vapours bum in an insufficient supply of oxygen (of air) which leads to incomplete combustion of wax. This incomplete combustion of wax produces small unburnt carbon particles. These solid carbon particles rise in the flame, get heated and glow to give out yellowish light. This makes the candle flame yellow and luminous.

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