NMDCAT Quiz-Chem & Eng
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
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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