General Organic Chemistry MCQ for NEET. We covered all the General Organic Chemistry MCQ for NEET in this post for free so that you can practice well for the exam.
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MCQ on General Organic Chemistry for NEET Students
Which of the following has the shortest carbon-carbon bond length?
(a) C₂H₂
(b) C₂H4
(c) C₂H6
(d) C6H6
Option a – C₂H₂
Which of the following can be used to distinguish between ethane and ethene?
(a) A lighted splinter
(b) Aqueous bromine
(c) Litmus solution
(d) Lime water
Option b – Aqueous bromine
Gas welding is used for welding broken pieces of iron, we normally use a mixture of
(a) ethane and oxygen
(b) ethene and oxygen
(c) ethyne and oxygen
(d) ethene and air
Option c – ethyne and oxygen
On the basis of the following features identify the correct option A. Drinks containing ethanol B. These drinks are a major source of income for the government
(a) Alcoholic beverages
(b) Soft drinks
(c) Carbonated beverages
(d) Rectified spirit
Option a – Alcoholic beverages
A bee sting leaves an acid that causes pain and irritation. The injected acid is
(a) acetic acid
(b) sulphuric acid
(c) citric acid
(d) methanoic acid
Option d – methanoic acid
Which are isomers?
(a) ethyl alcohol and dimethyl ether
(b) acetone and acetaldehyde
(c) propionic acid and propanone
(d) methyl alcohol and dimethyl ether
Methoxyethane and propanol are examples of isomerism of the type
(a) structural
(b) position
(c) functional
(d) tautomerism
Option c – functional
Isomers of propionic acid are
(a) HCOOC₂H5 and CH3COOCH3
(b) HCOOC₂H5 and C₂H₂COOH
(c) CH3COOCH3 and C3H₂OH
(d) C3H7OH and CH3COCH3
Option a – HCOOC₂H5 and CH3COOCH3
Which organic structure among the following is not an isomer of the compound CH3-CO-CH2CH2CH2CH3?
(a) CH3CH₂OCH=CHCH₂CH3
(b) CH3CH=CHCH2CH2CHO
(c) (CH3)2CH-CO-CH2CH3
(d) CH3CH₂COCH₂CH₂CH3
Option b – CH3CH=CHCH2CH2CHO
A functional isomer of 1-butyne is
(a) 2-butyne
(b) 1-butene
(c) 2-butene
(d) 1, 3-butadiene
Option d – 1, 3-butadiene
Which pair of isomerism is not possible together?
(a) Ring chain and functional
(b) Geometrical and optical
(c) Metamerism and functional
(d) Metamerism and chain
Option c – Metamerism and functional
The enzyme involved in the oxidation of ethanol to form vinegar is
(a) zymase
(b) oxidase
(c) dehydrogenase
(d) invertase
Option c – dehydrogenase
The main constituent of Vinegar is :
(a) Acetic acid
(b) Ascorbic acid
(c) Citric acid
(d) Tartaric acid
Option a – Acetic acid
Soaps are sodium salts of fatty acids. Which of the following fatty acid does not form soap?
(a) Butyric acid
(b) Oleic acid
(c) Palmitic acid
(d) Stearic acid
Option a – Butyric acid
Identify the enzyme which converts glucose to ethyl alcohol.
(a) Zymase
(b) Invertase
(c) Maltase
(d) Diastase
Option a – Zymase
‘Drinking alcohol’ is very harmful and it ruins health. ‘Drinking alcohol’ stands for :
(a) drinking methyl alcohol
(b) drinking ethyl alcohol
(c) drinking propyl alcohol
(d) drinking isopropyl alcohol
Option b – drinking ethyl alcohol
Distillation under reduced pressure is employed for
(a) C6H6
(b) petrol
(c) CH₂OHCHOHCH₂OH
(d) organic compounds used in medicine
Option c – CH₂OHCHOHCH₂OH
Glycerol can be separated from spent lye in the soap industry by which of the following method?
(a) Steam distillation
(b) Fractional distillation
(c) Distillation under reduced pressure
(d) Differential extraction
Option c – Distillation under reduced pressure
The latest technique for the purification of organic compounds is
(a) chromatography
(b) fractional distillation
(c) crystallization
(d) vacuum distillation
Option a – chromatography
Which of the following is used as an adsorbent in adsorption chromatography?
(a) Silica gel
(b) Alumina
(c) Zeolite
(d) Both (a) and (b)
Option d – Both (a) and (b)
Which of the following acts as the stationary phase in paper chromatography?
(a) Water
(b) Alumina
(c) Silica gel
(d) None of these
Option a – Water
Purification of petroleum is carried out by
(a) fractional distillation
(b) steam distillation
(c) vacuum distillation
(d) simple distillation
Option a – fractional distillation
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