Buat kuiz
masalah 1
pilihan
Which of the following has the highest boiling point?
- 2-methylpropane
- Butane
- 2,2-dimethylpropane
- Pentane
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Lampu Merah, Lampu Hijau
Gaya Bebas
Universiti
Kimia
70
1
Allow incorrect answer
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public kuiz
masalah 2
pilihan
In the halogenation of alkanes, bromine is more __________ than chlorine.
- Reactive
- Selective
- Stable
- Polar
masalah 3
pilihan
Which step in the free radical substitution mechanism involves the formation of a methyl radical?
- Chain initiation
- Chain propagation
- Chain termination
- None of the above
masalah 4
pilihan
What is the major product of the reaction between propene and HBr (Markovnikov’s rule)?
- 1-Bromopropane
- 2-Bromopropane
- 1,2-Dibromopropane
- 3-Bromopropane
masalah 5
pilihan
Anti-Markovnikov addition of HBr to alkenes occurs in the presence of:
- H2O
- Peroxides (ROOR)
- Cl2
- KMnO4
masalah 6
pilihan
Which test confirms the presence of a C=C bond by decolorizing bromine water?
- Baeyer’s test
- Tollens’ test
- Halogenation test
- Fehling’s test
masalah 7
pilihan
Saytzeff’s rule predicts the major product in:
- Electrophilic addition
- Nucleophilic substitution
- Elimination reactions
- Polymerization
masalah 8
pilihan
Which reaction does benzene undergo with Br₂ in the presence of FeBr₃?
- Addition
- Substitution
- Elimination
- Oxidation
masalah 9
pilihan
Which substituent is a meta director in electrophilic aromatic substitution?
- –CH₃
- –OH
- –NO₂
- –NH₂
masalah 10
pilihan
Which haloalkane undergoes SN2 reaction fastest?
- (CH₃)₃C-Br
- CH₃CH₂Br
- (CH₃)₂CHBr
- C₆H₅Br
masalah 11
pilihan
In SN1 reactions, the rate-determining step involves:
- Formation of a carbocation
- Attack of the nucleophile
- Steric hindrance
- Solvent effects
masalah 12
pilihan
Phenol is more acidic than alcohols because:
- Phenoxide ion is resonance-stabilized
- Phenol has fewer hydrogen bonds
- Alcohols have electron-withdrawing groups
- Phenol is smaller in size
masalah 13
pilihan
Lucas reagent (conc. HCl/ZnCl₂) immediately forms a cloudy solution with:
- 1° alcohols
- 2° alcohols
- 3° alcohols
- Phenols
masalah 14
pilihan
What is the product when toluene (methylbenzene) is oxidized with hot KMnO₄?
- Benzoic acid
- Benzaldehyde
- Phenol
- No reaction
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