10 questions
What is the name of this compound?
ethanol
ethanal
ethanone
methanal
What is the name of this compound?
propan-2-al
propanane
propanone
propanal
Which compound is a structural isomer of Z-but-2-ene?
butane
E-but-2-ene
cyclobutane
methylbut-2-ene
Which equation is a propagation step in the conversion of trichloromethane into tetrachloromethane by reaction with chlorine in the presence of ultraviolet light?
CHCl3 + Cl2 ⟶ CCl4 + HCl
●CCl3 + ●Cl ⟶ CCl4
CHCl3 + ●Cl ⟶ CCl4 + ●H
●CCl3 + Cl2 ⟶ CCl4 + ●Cl
How many structural isomers are there with the molecular formula C3H6BrCl?
4
5
6
7
How many different alkenes are formed when 2-bromo-3-methylbutane reacts with ethanolic potassium hydroxide?
2
3
4
5
An organic compound is found to contain 40.0% carbon, 6.7% hydrogen and 53.3% oxygen.Which of the following compounds could this be?
Ethanol
Ethanoic acid
Methanol
Methanoic acid
Which one of the following mechanisms is not involved in the reaction sequence below?
CH3CH3 → CH3CH2Cl → CH3CH2OH → CH2=CH2 → CH3CH2Br
electrophilic addition
electrophilic substitution
nucleophilic substitution
free-radical substitution
What is the correct systematic name for
2-bromo-3-methylpent-2-ene
2-bromo-3-ethylbut-2-ene
3-bromo-2-ethylbut-2-ene
4-bromo-3-methylpent-3-ene
What is the correct systematic name for
2-ethyl-3,4-dimethylpent-2-ene
4-ethyl-2,3-dimethylpent-3-ene
2,3,4-trimethylhex-3-ene
3,4,5-trimethylhex-3-ene