How is ethene prepared from ethanol in the laboratory? Write the equation and state the conditions.
Organic Chemistry
Original Khojo Papers practice question — not from a past board paper.
Ethanol is oxidised by warming with acidified potassium dichromate: C2H5OH + 2[O] → CH3COOH + H2O. The orange dichromate turns green as it is reduced.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Alkaline potassium permanganate can be used instead, and its purple colour is discharged.
From the same topic and chapter, at a similar level.
How is ethene prepared from ethanol in the laboratory? Write the equation and state the conditions.
Organic Chemistry
How would you distinguish between ethane and ethene using bromine water?
Organic Chemistry
What is isomerism? Draw and name the two isomers of butane, C4H10.
Organic Chemistry
Write the general formulae of alkanes, alkenes and alkynes, and name the simplest member of each.
Organic Chemistry
Write the IUPAC names of CH3–CH2–CH2–OH and CH3–CHO.
Organic Chemistry
Why does carbon form a very large number of compounds?
Organic Chemistry