WorksheetsRevision Chemistry DK024
Total questions: 20
Worksheet time: 10mins
1. Element that is backbone of organic molecules is
nitrogen
carbon
hydrogen
oxygen
1. -COC is functional group of
ester
ether
alcohol
ketone
Which of the following isomerism is NOT structural isomerism?
position isomerism
functional group isomerism
chain isomerism
cis-trans isomerism
Formation of a single product from two reactant molecules is known as
addition reaction
elimination reaction
substitution reaction
rearrangment reaction
In a free radical substitution reaction of alkanes, free radicals are formed at
initiation step
propagation step
termination step
initiation and propagation step
Molecular formula of cyclobutane is
C4H4
C4H6
C4H8
C4H10
Which of following is TRUE about alkenes?
They are saturated hydrocarbons
They are soluble in water
They are unsaturated hydrocarbons
They are insoluble in organic solvents
What is the best name for the following compound
methylcyclohexene
1-methylcyclohexene
2-methylcyclohexene
3-methylcyclohexene
Hydrohalogenation reaction of alkene produces:
Alkane
Alcohol
Alkyl halide
Aldehyde
Which alkene is the major product of the following reaction?
What is the compound formed when benzene undergo Friedel–Crafts alkylation with methyl chloride and aluminum chloride?
Aniline
Benzoic acid
Phenol
Toluene
How would you synthesis the following reaction?
conc. HNO3 + conc. H2SO4
conc. HNO3 + AlCl3
conc. HNO3 + FeCl3
conc HNO3+ CH2Cl2
What is fermentation?
A process where a sugar is broken down into ethanol and carbon dioxide
A process where a sugar is broken down into ethanol and oxygen
A process where a yeast is broken down into sugar and ethanol
A process where a yeast is broken down into ethanol and oxygen
Which of the following alcohols is expected to have the highest boiling point
1-propanol
1-butanol
1,3-propanediol
2-methyl-1-propanol
Which of the following alcohols would be oxidized to acetone?
Methanol
Ethanol
1-propanol
2-propanol
Which of the following statements is NOT correct?
Aldehydes and ketones undergo nucleophilic addition
Aldehydes and ketones undergo electrophilic addition
Aldehydes and ketones contain polar carbonyl group
Aldehydes and ketones are soluble in water due to hydrogen bonding with water molecule.
Which of the following compound undergoes addition reaction with HCN?
CH2=CH2
CH3CH2COOH
CH3CH2Cl
CH3CH2COCH3
The most suitable reagent to differentiate between 2-pentanone and 3-pentanone is
K2Cr2O7/H2SO4
Iodine (excess) /NaOH
Ag(NH3)2+OH-
Concentrated HCl/ZnCl2
Which of the following is an aromatic carboxylic acid
Acetic acid
Benzoic acid
Formic acid
Oxalic acid
Which of the compound is the most soluble in water?
1-propanol
propanal
propanone
propanoic acid
