Question # 1

Which of the following alcohol is more soluble in H2O

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Propanol

Butanol

Pentanol

Hexanol

In which of the following types of reactions are the carbonyl compounds and alkene are similar in behaviour

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Nucleophilic addition

Electrophilic addition

Nucleophilic suhstitution

Catalytic hydrogenation

2,4,6-Trinitrophenol is commonly called as

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Phthalic acid

Tartaric acid

Malonic acid

Picric acid

Reactivity of carbonyl compounds is due to

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Electrophilic carbon

Less stearic hindrance

Unsaturation of Co

Polarity of bond

Acetaldchyde and ketone form addition product with

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Phenyl hydrazine

Hydroxylamine

Hydrazine

hydrogen cyanide

Phenol is completely soluble in water above

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25°C

62.3℃

68.5°C

66.50°c

Alcohol is less acidie than phenol due to

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higher ka value

Instability of alkoxide ion

stability of carbocation

Stability of phenol

ln ethyl alcohol, the bond that undergoes heterolytic cleavage most readily is

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C-C

C-O

C-H

O-H

C=O and C=C bonds are differentiated by

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Hybridization of C-atom

Bond angles

Ammonical AgNO3

Conc. HNO3

Tertiary aleohols producewith acidified KMno,

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Ketones

Aldehydes

Malonic acid

Alkene

The synthesis of ethene from ethyl alcohol is a reaction

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Dehydration

Polymerization

Addition

Substitution

What is true about an alcohol and phenol

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Both are more acidic than water

Both react with NaOH

Both produce CO2 with Na2CO3

Both, produce H2 with Na

Which of the following will undergo nucleophilic addition reaction more easily?

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Aldehyde

Alkene

Aldehyde and ketone equally

Neither aldehyde nor alkenes

Which of the following alcohol cannot be produced by treatment of aldehydes or ketones with NaBH4

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I-propanol

2-Methyl-2-propanol

2-propanol

Ethanol

When wine is put in air, it becomes sour due to

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Oxidation of C2H5OH

Formation of C2H5NH2

Reduction of C2H5OH

Dissolution of CO2

An alcohol is converted to an aldehyde with same number of carbon atoms as that of alcohol in the presence of K2Cr2O7/H2S04 the alcohol is

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CH3C(CH3)2OH

(CH3)3COH

CН3СН2СН2OH

(CH3)2CHOH

Ethyl alcohol reacts with PCL and produces:

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Haloalkane

Alkyl halide & H3PO3,

Alkyl halide & POCl3

Alkyl halides &H3PO4.

Which of the substance is not going to react the sodium metal:

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Acetic acid

Methanol

Di methyl ether

Ethanol

During esterifcation, the alcobol molecule acts as:

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Oxidizing agent

Electrophile

Reducing agent

Nucleophile

Which of the follwing dnes not give brick red precispitate wits Fehling's solution

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Acetaldehyde

Formalin

prorionaldehyde

Acetone

Ethanol reacts with sodium metal to liberate

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CO2 gas

CO gas

H2 gas

Steam

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