22nd Dec Alcohol Phenol and Ethers Quiz 4 – Punjab Meritorious School Preparation Portal

Welcome to your 22nd Dec Alcohol Phenol and Ethers Quiz 4 CBT TEST

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Reaction of butanone with methyl magnesium bromide followed by hydrolysis

2-methyl-2-butanol

2-butanol

3-methyl-2-butanol

2,2-dimethyl-1-butanol

Which of the following statements is not correct?

Phenol is more acidic than acetic acid.

Ethanol is less acidic than phenol.

Ethanol has higher boiling point than ethane.

Ethane is a non-linear molecule.

Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid?

2-Pentanol

Cyclopentanol

2-Methyl-2-butanol

1-Pentanol

The compound that undergoes dehydration very easily is

2-methylpropan-2-ol

ethyl alcohol

3-methyl-2-butanol

propyl alcohol

Choose the correct acidity order of the following phenols.

p-nitrophenol > p-chlorophenol > p-cresol > phenol

p-nitrophenol > p-cresol > p-chlorophenol > phenol

p-nitrophenol >p-chlorophenol > phenol > p-cresol

p-nitrophenol > phenol > p-chlorophenol > p-cresol

Which compounds among the following give a positive iodoform test?

(1) Ethanol

(2) Ethanal

(3) 1-Butanol

(4) 2-Butanol

(5) Phenyl ethanal

1, 2 and 5

1, 3 and 4

1, 2 and 4

2, 4 and 5

Glycerol when reacts with potassium hydrogen sulphate at 473 K - 503 K forms

allyl iodide

allyl alcohol

glyceric acid

acrolein

The hydrolysis of 2-bromo-3-methylbutane by SN1 mechanism gives mainly

3-methyl-2-butanol

2-methyl-2-butanol

2-methyl-2-propanol

2-methyl-1-butanol

Phenol can be converted to o-hydroxybenzaldehyde by

Kolbe's reaction

Reimer-Tiemann reaction

Wurtz reaction

Cannizzaro reaction

The boiling point of methanol is greater than that of methanethiol because

there is intramolecular hydrogen bonding in methanol and intermolecular hydrogen bonding in methanethiol

there is intermolecular hydrogen bonding in methanol and no hydrogen bonding in methanethiol

there is no hydrogen bonding in methanol and intermolecular hydrogen bonding in methanethiol

there is intramolecular hydrogen bonding in methanol and no hydrogen bonding in methanethiol

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