Same chapter3 marksDifficulty: Medium
How is ethene prepared from ethanol in the laboratory? Write the equation and state the conditions.
Organic Chemistry
2 marksDifficulty: Medium
Give one use each of methane, ethene and ethyne.
Original Khojo Papers practice question — not from a past board paper.
Answer
Methane is used as a domestic and industrial fuel and as a source of hydrogen. Ethene is used to make polythene and to ripen fruit artificially. Ethyne is used in the oxy-acetylene flame for welding and cutting metals.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Ethene is also the starting material for a large part of the plastics industry.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
How would you distinguish between ethane and ethene using bromine water?
Organic Chemistry
Same chapter3 marksDifficulty: Medium
What is isomerism? Draw and name the two isomers of butane, C4H10.
Organic Chemistry
Same chapter3 marksDifficulty: Medium
Write the general formulae of alkanes, alkenes and alkynes, and name the simplest member of each.
Organic Chemistry
Same chapter3 marksDifficulty: Medium
Write the IUPAC names of CH3–CH2–CH2–OH and CH3–CHO.
Organic Chemistry
Same chapter3 marksDifficulty: Medium
Why does carbon form a very large number of compounds?
Organic Chemistry