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NMDCAT Quiz-Chem & Eng

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NMDCAT Chemistry & Engineering Quiz

Test your knowledge and boost your understanding of chemistry and engineering concepts with our NMDCAT Chemistry & Engineering Quiz. This engaging quiz features 25 multiple-choice questions designed to challenge your grasp of key topics.

Highlights:

Covers various aspects of organic chemistry
Includes questions on aldehydes, ketones, and reactions
Perfect for students preparing for NMDCAT

25 Questions6 MinutesCreated by StudyingStar275

Which ketone will yield tertiary butyl alcohol on treatment with CH3MgBr following by hydrolysis:

2-butanone

3-pentanone

Acetone

2-pentanone

The oxidation product of ethanol is treated first with calcium and then subjected to distillation under dry conditions , the final product is:

Acetic acid

Ethanol

Propanone

Acetone

Increasing order of B.P:

Acetone>ethanal>methanal>propanal

Ethanal>acetone>propanal>methanal

Methanal>ethanal>propanal>acetone

Ethanal>acetone>propanal>methanal

The least reactive aldehyde towards nucleophilic addition reaction among among the following is:

C6H5CHO

HCHO

CH3CH2CHO

CH3CHO

Only shown by ketones:

Fehling solution test

Sodium nitroprusside test

Benedict's solution test

Tollen's test

Strong oxidizing agent:

Fehling solution

Benedict reagent

Tollen reagent

Acidified dichromate

In order to obtain acetaldehyde from calcium acetate, it should be heated with:

Calcium acetate

Calcium formate

Acetic acid

Formic acid

For the preparation of CH3CHO from calcium acetate, we need:

2 molecules of Ca(CH3COO)2

1 mole of Ca(CH3COO)2 and 1 molecule of Ca(HCOO)2

2 molecules of Ca(HCOO)2

None

Isopropyl alcohol on passing over heating copper at 300 C gives:

Propylene

Acetaldehyde

Acetone

Propanal

One of an organic compound requires 0.5 mole of oxygen to produce an acid.The compound may be:

Alcohol

Ether

Ketone

Aldehyde

Compound "A" C5H10O forms a phenyl hydrazone and negative tollen's and iodoform test:

2-pentanone

3-pentanone

Pentanal

N-pentane

The product of reduction of butanone with sodium borohydride is:

Methanol

2-propanol

Ethanol

2-butanol

C-atom in a carbonyl group acts as a/an:

Nucleophilic centre

Neutral atom

Electrophilic centre

Chiral centre

The product of oxidation 3-pentanone:

Acetic acid

Propanoic acid

Acetic acid+formic acid

Both acetic acid and propanoic acid

Which type of isomerism is shown by 3-pentanone and pentanal?

No isomerism

Metamerism

Cis-trans

Functional group

In base catalyzed reaction of aldehydes, an aldehyde acts as:

Base

Acid

Electrophile

Nucleophile

Associated with aldehydes and ketones in general:

Nucleophilic addition

Polymerization

Oxidation

All

Ketones are comparatively less reactive than aldehyde. It is due to:

Alkyl groups are electron donating

Steric hinderance

Both

None

The formation of cyanohydrins from a ketone is an example of:

Electrophilic addition

Nucleophilic addition

Nucleophilic substitution

Electrophilic substitution

Name the given structure, CH3-CH(CH3)-CHO

N-butyl aldehyde

Iso-butyl aldehyde

Sec-butyl aldehyde

Ter-butyl aldehyde

Most closely related to word "BRISKLY"

Quickly

Adorn

Strip

Gently

Synonym of "BAFFLING"

Bristling

Mysterious

Shy

Gestured

Counter word of "BECKONED"

Dismissed

Signaled

Indicated

Coy

Opposite word of "BRIMMING"

Bare

Packed

Strange

Discernible

Similar word of "BASHFUL"

Brash

Coy

Cheeky

Shelved

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