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When ethyl iodide and propyl iodide react with Na in the presence of ether, they form………


A) One alkane
B) Two alkanes
C) Four alkanes
D) Three alkanes

E) A) and B)
F) B) and D)

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Petroleum consists mainly of…………


A) Aliphatic hydrocarbons
B) Aromatic hydrocarbons
C) Aliphatic alcohols
D) None of these

E) B) and C)
F) A) and C)

Correct Answer

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In the preparation of alkanes; a concentrated aqueous solution of sodium or potassium salts of saturated carboxylic acid are subjected to………


A) Hydrolysis
B) Oxidation
C) Hydrogenation
D) Electrolysis

E) A) and B)
F) None of the above

Correct Answer

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The addition of tetraethyl lead to petrol…………


A) Lowers its octane number
B) Raises its octane number
C) May raise or lower the octane number
D) Has no effect on octane number

E) None of the above
F) C) and D)

Correct Answer

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Cyclohexane, a hydrocarbon floats on water because…………


A) It is immiscible with water
B) Its density is low as compared to water
C) It is non-polar substance
D) It is immiscible and lighter than water

E) A) and D)
F) All of the above

Correct Answer

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