Question
Unsaturated hydrocarbons contain multiple bonds between the two C-atoms and show addition reactions. Give the test to distinguish ethane from ethene.
✓
Answer
Distinction between ethane and ethene can be done with the help of bromine water test. Whereas ethene dicolourises the yellow colour of bromine water, ethane does not.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An organic acid X is a liquid, which often freezes during winter time in cold countries, having the molecular formula C2H4O2. On warming it with methanol in the presence of a few drops of concentrated sulphuric acid, a compound Y with a sweet smell is formed.
- Identify X and Y. Also write their formulae showing the functional group present in them.
- Write a chemical equation for the reaction involved.
A cleaned aluminium foil was placed in an aqueous solution of zinc sulphate. When the aluminium foil was taken out of the zinc sulphate solution after 15 minutes, its surface was found to be coated with a silvery grey deposit. From the given observation, what can be concluded?
Write the formulae of sodium chloride and sodium carbonate. Explain why an aqueous solution of sodium chloride is neutral but an aqueous solution of sodium carbonate is basic (or alkaline). Write chemical equations of the reactions involved.
State some of the uses of mineral acids in industry.
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
Draw the electron dot structure of ethyne and also draw its structural formula.
Write the name and the structural formula of the compound formed when ethanol is heated at 443 K with excess of conc. $\text{H}_{2}\text{SO}_{4}$ State the role of conc. $\text{H}_{2}\text{SO}_{4}$ in this reaction. Write chemical equation for the reaction.
→What is meant by homologous series of carbon compounds? Write the general formula of (i) alkenes, and (ii) alkynes. Draw the structures of the first member of each series to show the bonding between the two carbon atoms.
What is the difference between skeletal equation and balanced chemical equation? Give example.
What is the difference between the molecules of soaps and detergents, chemically? Explain the cleansing action of soaps.