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MDCAT Chemistry Chapter 16 Alcohols and Phenols Online Test MCQs With Answers
Question # 1
Which of the substance is not going to react the sodium metal:
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Acetic acid
Methanol
Di methyl ether
Ethanol
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Question # 2
Primary, secondary aad tertiary alcohols can be identified and distinguished by
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Lucas test
lodoform test
Baeyer's test
Silver mirror test
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Question # 3
Which of the following alcohol is more soluble in H2O
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Propanol
Butanol
Pentanol
Hexanol
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Question # 4
An alkyl halide reacts with NH3 to give
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Amide
Cyanide
Amine
Aniline
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Question # 5
Which of the following compound is least reactive
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HCHO
CH3CHO
CH3COCH3
C6H5CHO
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Question # 6
Acetaldehyde cyanohydrin upon hydrolysis prodnces
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Tartaric acid
Malonic acid
Formic acid
Lactic acid
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Question # 7
Phenol can be diatingushed from ethyl alcohol by all of the following reagents except
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lodoforrn test
Na
Br2 /H2O
NaOH
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Question # 8
Formation of Picric acid from phenol needs heating, one possible reason for it is
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acidity of phenol
e- donating nature of-OH
acidity of picric acid
e- with drawing effect of- NO2
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Question # 9
Which of the following factors does not affect the SN1 rate is
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Nucleophilicity of the attacking nucleophile
Stability of the carbonium ion
Solvent system
The nature of leaving group
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Question # 10
The compound that reacts the slowest in Lucas test
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1-Pentanol
sec-butyl alcohol
3-Pentanol
ter- butyl alcoho
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Question # 11
Which alcohol is most reactive towards sodium metal?
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Ter Butyl alcohol
n-Propyl alcolol
Isopropyl alcohol
Have same reactivity
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Question # 12
The oxidation of 1 - propanol in the presence of H2SO4, +K2Cr207 produces final product
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Acetaldehyde
Propanal
Acetone
Propanoic acic
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Question # 13
The Sl mechanism for the hydrolysis of an alkyl halide to an alcohol involves the formation of
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Carbocation
Carbanion
Pentavalent carbon in the transition state
Free radical
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Question # 14
The reaction of formaldehyde with HCN is
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Nucleophilic substitution
Electrophilic substitution
Nucleophilic addition
Free radical addition
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