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General Organic Chemistry

General Organic Chemistry Practice Questions

Multiple Choice Practice Questions on General Organic Chemistry:

Ques. Function of the flux added during smelting is
(a) To make ore porous
(b) To remove gangue
(c) To make reduction easier
(d) To precipitate slag

Ans. (b)

Ques. Which type of isomerism is shown by propanal and propanone?
(a) Functional group
(b) Metamerism
(c) Tautomerism
(d) Chain isomerism

Ans. (a)

Ques. Which metal is extracted by electrolytic reduction method?
(a) Cu
(b) Al
(c) Fe
(d) Ag

Ans. (b)

Ques. Which of the following exhibits optical isomerism?
(a) Butanol-1
(b) Butanol-2
(c) Butene-1
(d) Butene-2

Ans. (b)

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Ques. The metal extracted by electrolysis of its fused salt is
(a) Iron
(b) Lead
(c) Sodium
(d) Copper

Ans. (c)

Ques. Heterolytic bond dissociation energy of alkyl halides follows the sequence
(a) R – F > R – Cl > R – Br > R – I
(b) R – I > R – Br > R – Cl > R – F
(c) R – I > R – F > R – Br > R – Cl
(d) R – Cl > R – Br > R – I > R – F

Ans. (b)

Ques. Which of the following ores is subjected to roasting during metallurgical operations for getting the metal oxide?
(a) Horn silver
(b) Zinc blende
(c) Malachite
(d) Limonite

Ans. (b)

Ques. The shape of carbonium is
(a) Planar
(b) Pyramidal
(c) Linear
(d) None of these

Ans. (a)

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Ques. In metallurgy, flux is a substance used to convert
(a) Infusible impurities to fusible material
(b) Soluble impurities to insoluble impurities
(c) Fusible impurities to infusible impurities
(d) Mineral into silicate

Ans. (a)

Ques. How many primary amines are possible for the formula C4H11N?
(a) 1
(b) 2
(c) 3
(d) 4

Ans. (d)

Ques. The substance which is mixed with the ore for removal of impurities is termed as
(a) Slag
(b) Gangue
(c) Flux
(d) Catalyst

Ans. (c)

Ques. On monochlorination of 2-methyl butane, the total number of chiral compounds is
(a) 2
(b) 4
(c) 6
(d) 8

Ans. (b)

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Ques. Which of the following compounds will show geometrical isomerism?
(a) 2-butene
(b) Propene
(c) 1-phenylpropene
(d) 2-methyl-2-butene

Ans. (a, c)

Ques. An isomer of ethanol is
(a) Methanol
(b) Dimethyl ether
(c) Diethyl ether
(d) Ethylene glycol

Ans. (b)

Ques. If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried out by
(a) Poling
(b) Zone refining
(c) Electrolytic refining
(d) Cupellation

Ans. (d)

Ques. Cupellation process is used in the metallugry of
(a) Copper
(b) Silver
(c) Aluminium
(d) Iron

Ans. (b)

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Ques. Gold is extracted by hydrometallurgical process based on its property
(a) Of being electropositive
(b) Of being less reactive
(c) To form complexes which are water soluble
(d) To form salts which are water soluble

Ans. (c)

Ques. Silicon is main constituent of
(a) Alloys
(b) Rocks
(c) Animals
(d) Vegetables

Ans. (b)

Ques. Metallurgy is the process of
(a) Concentrating the ore
(b) Roasting the ore
(c) Extracting the metal from the ore
(d) Adding carbon to the ore in blast furnace

Ans. (c)

Tags: Last modified: June 21, 2022
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