Related InterviewSolutions

• Give the general formula of 'alkynes'. Identify the alkynes from the following: `CH_(4),C_(2)H_(6),C_(2)H_(2),C_(3)H_(4),C_(2)H_(4)`
• Write the structure of ethyl alcohol `(C_(2)H_(5)OH)`.
• Vinegar is a solution ofA. 30%-40% acetic acid in alcoholB. 5%-8% acetic acid in alcoholC. 5%-8% acetic acid in waterD. 15%-20% acetic acid in water
• Which of the following molecular formula corresponds to ethyl butanoate ester?A. `C_(5)H_(10)O_(2)`B. `C_(6)H_(12)O_(2)`C. `C_(7)H_(14)O_(2)`D. `C_(8)H_(16)O_(2)`
• The usual disease caused by the excessiv edrinking of alcohol over a long period of time is :A. diabetesB. cataractC. cirrhosisD. arthritis
• Ethanol reacts with sodium and forms two products. These areA. sodium ehanaoate and oxygenB. sodium ethanaoate and hydrogenC. sodium ethoxide and oxygenqD. sodium ethoxide and hydrogen
• Ethanol reacts with sodium and forms two products. These areA. sodium ethanoate and hydrogenB. sdium ethanoate and oxygenC. sodium ethaoxide and hydrogenD. sodium ethoxide and oxygen
• (a) Write chemcial name and formula of vinegar? (b) Desbribe with a chemical equation what happens when sodium reacts with ethanol.
• Ethane with the molecular formula `C_(2)H_(6)` has: (a) 6 covalent bonds (b) 7 convalent bonds (c ) 8 covalent bonds (d) 9 convalent bonds
• Graphite is greasy, soft lubricant because itA. has low densityB. has weak forces of attraction between layersC. is greyish-black in colourD. has three dimensional structure.