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Organic Chemistry

Description: This Question Paper is meant for those who have studied thoroughly & wants to revise the chapter and to check the knowledge
Number of Questions: 25
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Tags: chemistry Hydrocarbons Hydrocarbon Organic Chemistry Chemistry Amines Biomolecules
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We can get a primary alcohol from propene by treating it with

  1. water

  2. KOH

  3. diborane

  4. NaOH


Correct Option: C
Explanation:

Ans : 3.

By catalytic reduction of aldehydes, we get

  1. an alcohol with one more number of carbon atom.

  2. an alcohol with one less number of carbon atom.

  3. an alcohol with the same number of carbon atoms.

  4. an alkane.


Correct Option: C
Explanation:

Ans : 3.

When Grignard's reagent reacts with aldehyde/ketone compound, we get the formation of

  1. An alcohol.

  2. A carboxilic acid.

  3. An alkane.

  4. A ketone.


Correct Option: A
Explanation:

Ans : 1.

Aniline can be converted into diazonium salt by treating it with

  1. Sodium nitrite

  2. Nitrogen dioxide

  3. Ammonia

  4. Sodium sulphite


Correct Option: A
Explanation:

Ans : 1.

Halo alkanes are less soluble in water inspite of polarity due to

  1. Halo alkanes are soluble in non-polar solvents.

  2. the energy released in breakage of C - Cl bond is less.

  3. the C - Cl bond has a double bond character.

  4. None of these


Correct Option: B
Explanation:

Ans : 2.

The carbylamine reaction is given by

  1. A primary amine

  2. A secondary amine

  3. A tertiary amine

  4. All of the above


Correct Option: A
Explanation:

Ans : 1.

The diazonium salt on hydrolysis gives

  1. Alcohol

  2. Phenol

  3. Benzene

  4. Benzoic acid


Correct Option: B
Explanation:

Ans : 2.

The bond angle of a carbonyl group in degree is

  1. 104

  2. 107

  3. 108

  4. 120


Correct Option: D
Explanation:

Ans : 4.

In order to convert starch into glucose we need

  1. An alkaline medium

  2. An acidic medium

  3. A netural medium

  4. Drastic conditions


Correct Option: B
Explanation:

Ans : 2.

The molecular formula of glucose is same as

  1. Sucrose

  2. Fructose

  3. Galactose

  4. Sugar


Correct Option: B
Explanation:

Ans : 2.

Phenol on oxidation gives

  1. Benzoic acid

  2. Benzaldehyde

  3. Salicylic acid

  4. Benzoquinone


Correct Option: D
Explanation:

Ans : 4.

The sugar which is present in milk is

  1. Glucose

  2. Galactose

  3. Lactose

  4. Fructose


Correct Option: C
Explanation:

Ans : 3.

Glucose gets converted into gluconic acid in the presence of

  1. Water

  2. HCl

  3. Chlorine water

  4. Bromine water


Correct Option: D
Explanation:

Ans : 4.

The propanedioic acid can also be called as

  1. Succinic acid

  2. Glutaric acid

  3. Adipic acid

  4. Malonic acid


Correct Option: D
Explanation:

Ans : 4.

The example of a zwitter ion is

  1. Carboxylate ion

  2. Sodium ion

  3. Amino acid (Ionic form)

  4. Quaternary ammonium salt


Correct Option: C
Explanation:

Ans : 3.

Out of aniline and aminoalkane, the aminoalkanes are more basic, the reason can be given on the basis of

  1. Resonance

  2. Electromeric effect

  3. Mesomeric effect

  4. Inductive effect


Correct Option: D
Explanation:

Ans : 4.

A racemic mixture is optically inactive due to

  1. the asymmetric structure of the substances

  2. external compensation

  3. an achiral carbon atom

  4. symmetric carbon atom


Correct Option: B
Explanation:

Ans : 2.

Following is a water soluble vitamin

  1. Vitamin A

  2. Vitamin B

  3. Vitamin D

  4. Vitamin E


Correct Option: B
Explanation:

Ans : 2.

The desterification reaction is carried out in the presence of

  1. An acid

  2. A base

  3. Either an acid or a base

  4. Neither acid nor base


Correct Option: C
Explanation:

Ans : 3.

An amphoteric substance is

  1. Acidic

  2. Basic

  3. Both (1) and (2)

  4. Neutral


Correct Option: C
Explanation:

Ans : 3.

The C - Cl bond of chlorobenzene is stable due to

  1. Hyperconjugation

  2. Double bond character

  3. Polarity

    • I effect of chloro-group

Correct Option: B
Explanation:

Ans : 2.

In diazo coupling, the diazonium salt is treated with

  1. Aniline

  2. Phenol

  3. Either (1) or (2)

  4. Benezoic acid


Correct Option: C
Explanation:

Ans : 3.

Diazonium salt on hydrolysis in the presence of phosphinic acid gives

  1. Chlorobenzene

  2. Phenoil

  3. Nitrobenzene

  4. Benzene


Correct Option: D
Explanation:

Ans : 4.

The Hoffman bromamide degradation is carried out in the presence of

  1. An acid

  2. A base

  3. An acid or a base

  4. Ammonia


Correct Option: B
Explanation:

Ans : 2.

Nitrobenzene can be converted into aniline in the presence of

  1. Lithium aluminium hydride

  2. Sodium boro hydride

  3. Tin and HCl

  4. Pd and sulphuric acid


Correct Option: C
Explanation:

Ans : 3.

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