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WorksheetsTEST 2 OBJECTIVE QUESTIONS: ORGANIC CHEMISTRY
Total questions: 20
Worksheet time: 1hrs 22mins
Name the functional group in the structure given:
I: amino ; II: carbon-carbon double bond III: carbonyl
I: carboxamide ; II: aromatic ring; III: carbonyl
I: carboxamide ; II: carbon-carbon double bond III: carboalkoxy
I: amino ; II: carbon-carbon double bond III: carboxyl
State the number of primary and secondary carbon in the structure given:
Primary: 2 ; Secondary: 4
Primary: 1 ; Secondary: 4
Primary: 1 ; Secondary: 2
Primary: 2 ; Secondary: 10
The names of two structural isomers of C5H12 are
3-methylbutane and 2,2-dimethylpropane
Cyclopentane and 2-methylbutane
2,2-dimethylpropane and pentene
2-methylbutane and 2,2-dimethylpropane
Name the type of reaction for reaction A, B and C
A: nucleophillc addition B: free radical substitution C: electrophillic substitution
A: electrophillic addition B: electrophillic substitution C: nucleophillic substitution
A: electrophillic addition B: free radical substitution C: nucleophillic substitution
A: electrophillic addition B: free radical substitution C: electrophillic substitution
Arrange the following alkanes in order of increasing boiling point:
I: 2,2-dimethyl butane
II: pentane
III: 2,2,3-trimethylbutane
IV: hexane
I < III < II < IV
III < I < II < IV
II < I < IV < III
II < IV < I < III
What is the correct IUPAC nomenclature for this structure?
3 - methyl - 3 - pentene
2 - methyl - 3 - pentene
2 - methyl - 2 - pentene
2 - methyl - 2 - pentane
Predict the structures for X and Y
X: CH3CH2C(Br)(CH3)CH2Br Y: CH3CH2CH(CH3)CH2Br
X: CH3CH2C(Br)(CH3)CH2Br Y: CH3CH2C(Br)(CH3)CH3
X: CH3CH2C(Br)(CH3)CH2Br Y: CH3CH2CH(CH3)CH2Br
X: CH3CH2C(Br)(CH3)CH3 Y: CH3CH2C(Br)(CH3)CH2Br
Which chemical test/s is suitable to distinguish between propane and propene?
Lucas Test
Baeyer's Test
Iodoform Test
Bromine Test
Consider the equations given:
Name the rule used to predict the structure of product in each equation
A: Markovnikov's rule B: Saytzeff's rule
A: Saytzeff's rule B: Markovnikov's rule
A: Markovnikov's rule B: Markovnikov's rule
A: Saytzeff's rule B: Saytzeff's rule
What is reagent B?
CH3CH2Br, AlBr3
CH3Cl, AlCl3
CH3CH2Cl, FeCl3
CH3CH(CH3), AlCl3
What is product G?
Classify the types of alcohol of the following molecule.
Primary alcohol
Secondary alcohol.
Tertiary alcohol
Aromatic alcohol.
1-pentanol can be differentiate from 3-pentanol by using
Phosphorus (v) chloride
Lucas reagent
Alkaline iodine
Acidified potassium dichromate solution
Which of the following statement is true about 2-pentanone?
positive result with Tollen's reagent.
positive result with Benedict's reagent.
form yellow precipitate wih alkaline iodine.
reaction with of hot acidified potassium dichromate solution turns the orange colour to green.
Predict the structures of A and B
A: CH3CH(CH3)CH2CH(OH)(CN) B: CH3CH(CH3)CH2COOH
A: CH3CH(CH3)CH2CH(ONa)(CN) B: CH3CH(CH3)CH2CH2OH
A: CH3CH(CH3)CH2CH(OH)(OH) B: CH3CH(CH3)CH2CH2OH
A: CH3CH(CH3)CH2CH(OH)(CN) B: CH3CH(CH3)CH2CH2OH
Aldehyde reacts with Tollen's reagent forming:
Yellow precipitate
Brick-red precipitate
Cloudy solution
Silver mirror
Why ethanoic acid has higher boiling point than ethanol?
ethanoic acid has larger molecular weight than ethanol
ethanoic acid has stronger Van Der Waals force than ethanol
ethanoic acid can form stable hydrogen bonded dimers
ethanoic acid has larger hydrophobic area
What is carboxylic acid X?
2-methyl butanoic acid
3-methyl butanoic acid
butanoic acid
pentanoic acid
