Organic Chemistry

Q: Alkyl halides are considered to be very reactive compounds toward nucleophiles because:

(a) :  They have an electrophilic carbon
(b) :   They have an eleetrophilic carbon and good leaving group
(c) :  They have an eleetrophilic carbon and a bad leaving group
(d) :  They have a nucleophilic carbon and a good leaving group.
(e) :  None of the Above
Answer:   They have an eleetrophilic carbon and good leaving group
Explanation:  

Q: During nitration of benzene the active nitrating agent is:

(a) :  NO-13
(b) :  NO+2
(c) :  NO-12
(d) :  HNO3
(e) :  None of the Above
Answer:  NO+2
Explanation:  

Q: Which one of the following gas is used for artificial ripening of fruits?

(a) :  Ethane
(b) :  Ethyne
(c) :  Methane
(d) :  Propane
(e) :  None of the Above
Answer:  Ethyne
Explanation:  

Q: Methylated spirit is obtained by mixing in alcohol:

(a) :  methyl alcohol
(b) :   pyridine
(c) :   acetone
(d) :  All of these
(e) :  None of the Above
Answer:  All of these
Explanation:  

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