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MDCAT Chemistry Chapter 16 Alcohols and Phenols Online Test MCQs With Answers
Question # 1
Formation of Picric acid from phenol needs heating, one possible reason for it is
Choose an answer
acidity of phenol
e- donating nature of-OH
acidity of picric acid
e- with drawing effect of- NO2
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Question # 2
Which of the following gives silver mirror with ammonicaT AgNO3
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Benzyl alcohol
Benzene
Benzoic acid
Benzaldehyde
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Question # 3
Oxidation of secondary alcohol produces
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Aldehyde
Ketone
Alkyl halide
Ester
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Question # 4
In an elimination reaction a more substituted alkene is formed due to the stability associated with
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Free radical
transition state
Activated complex
Carbocation
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Question # 5
Acetaldehyde cyanohydrin upon hydrolysis prodnces
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Tartaric acid
Malonic acid
Formic acid
Lactic acid
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Question # 6
Elimination unimolecular reactions involve
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Second order kinetics
First order kinetics
Third order kinetics
Zero order kinetics
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Question # 7
Tertiary alcohols have alpha bydrogens
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1
Zero
2
3
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Question # 8
Reactivity of carbonyl compounds is due to
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Electrophilic carbon
Less stearic hindrance
Unsaturation of Co
Polarity of bond
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Question # 9
CH3CH2CH2OH--------A---------B Here B is
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Propyne
Propanal
Propene
Propane
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Question # 10
Identify the compound, which give iodoform test
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Methanol
3- Hexanol
Methyl ketone
Propionaldehyde
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Question # 11
Which reactant does hnof liberate water on reaction with alcohol
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NH3
K2Cr2O7/15H2O
HCI
PCI3
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Question # 12
Which of the following reagents reaet in same manner with HCHO, CH3CHO andCH3COCH3
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HCN
Cu2(OH)2/ NaOH
Ammonical AgNO3
Cu(OH)2 only
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Question # 13
which of the following is not a symmetrical ketone
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4-heptanone
Butanone
Propanone
3-pentanone
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Question # 14
Tertiary aleohols producewith acidified KMno,
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Ketones
Aldehydes
Malonic acid
Alkene
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Question # 15
Alcohols of low molecular weight are:
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Soluble in water
Insoluble in water
Soluble in water on heating
Insoluble in all solvents
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Question # 16
Primary, secondary aad tertiary alcohols can be identified and distinguished by
Choose an answer
Lucas test
lodoform test
Baeyer's test
Silver mirror test
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Question # 17
When calcium formate and calcium acetate are dry heated they form
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Š¯COOH
C2H5OH
CH3CHO
HCHO
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Question # 18
Which of the following alcohol is more soluble in H2O
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Propanol
Butanol
Pentanol
Hexanol
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Question # 19
Which of the following compound is least reactive
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HCHO
CH3CHO
CH3COCH3
C6H5CHO
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Question # 20
Relative acidic strength of alcohol, phenol, water and carboxylie acid is
Choose an answer
Carboxylic acid > Alcohol > Phenol > Water
Carboxylic acid > Phenol > Water> Alcohol
Water > Alcohol> Phenol > Carboxylic acid
Phenol > Carboxylic acid > Alcohol> Water
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Question # 21
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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