Q.1
Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by [ AIPMT 2010]
  • a) Oxidation
  • b) Cracking
  • c) Distillation under reduced pressure
  • d) Hydrolysis
Q.2
Given are cyclohexanol (I), acetic acid (II) 2,4,6- trinitrophenol (III) and phenol (IV). In these the order of decreasing acidic character will be .. [ AIPMT 2010]
  • a) III > II > IV > I
  • b) II > III > I > IV
  • c) II > III > IV > I
  • d) III > IV > II > I
Q.3
on Q336) In a set of reactions, ethyl benzene yielded a product D. [ AIPMT 2010]
ch-23_que_no-336_img_no1.png
  • a)
    ch-23_qn-336choice_img_no1.png
  • b)
    ch-23_qn-336choice_img_no2.png
  • c)
    ch-23_qn-336choice_img_no3.png
  • d)
    ch-23_qn-336choice_img_no4.png
Q.4
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is : [ AIPMT 2010]
  • a) CH3COOCH3
  • b) CH3CONH2
  • c) CH3COOCOCH3
  • d) CH3COCl
Q.5
Which one is most reactive towards electrophilic reagent? [ AIPMT 2011]
  • a)
    ch-23_qn-339choice_img_no1.png
  • b)
    ch-23_qn-339choice_img_no2.png
  • c)
    ch-23_qn-339choice_img_no3.png
  • d)
    ch-23_qn-339choice_img_no4.png
Q.6
In the following the most stable conformation of n-butane is:[ AIPMT 2011]
  • a)
    ch-23_qn-340choice_img_no1.png
  • b)
    ch-23_qn-340choice_img_no2.png
  • c)
    ch-23_qn-340choice_img_no3.png
  • d)
    ch-23_qn-340choice_img_no4.png
Q.7
Which one of the following is most reactive towards electrophilic reagent ?[ AIPMT 2011]
  • a)
    ch-23_qn-341choice_img_no1.png
  • b)
    ch-23_qn-341choice_img_no2.png
  • c)
    ch-23_qn-341choice_img_no3.png
  • d)
    ch-23_qn-341choice_img_no4.png
Q.8
Which one is a nucleophilic substitution reaction among the following ? [ AIPMT 2011]
  • a) CH3CHO + HCN → CH3CH(OH)CN
    ch-23_qn-342choice_img_no2.png
  • b)
    ch-23_qn-342choice_img_no3.png
  • c)
    ch-23_qn-342choice_img_no4.png
  • d)
Q.9
on Major product is
ch-23_que_no-343_img_no1.png
  • a)
    ch-23_qn-343choice_img_no1.png
  • b)
    ch-23_qn-343choice_img_no2.png
  • c)
    ch-23_qn-343choice_img_no3.png
  • d)
    ch-23_qn-343choice_img_no4.png
Q.10
Among the following compounds the one that is most reactive towards electrophilic nitration is ..[ AIPMT 2012]
  • a) Toluene
  • b) Benzene
  • c) Benzoic acid
  • d) Nitrobenzene
Q.11
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating? [ NEET 2013]
  • a) —C ≡ N
  • b) —SO3H
  • c) —COOH
  • d) —NO2
Q.12
on Q346) The order of stability of the following tautomeric compounds is ..[ NEET 2013]
ch-23_que_no-346_img_no1.png
  • a) I > II > III
  • b) III > II > I
  • c) II > I > III
  • d) II > III > I
Q.13
on Q347) Identify Z in the sequence of reaction :
ch-23_que_no-347_img_no1.png
  • a) CH3(CH2)4–O–CH3
  • b) CH3CH2–CH(CH3)–O–CH2CH3
  • c) CH3–(CH2)3–O–CH2CH3
  • d) (CH3)2CH2–O–CH2CH3
Q.14
Which one is most reactive towards Nucleophilic addition reaction?
  • a)
    ch-23_qn-348choice_img_no1.png
  • b)
    ch-23_qn-348choice_img_no2.png
  • c)
    ch-23_qn-348choice_img_no3.png
  • d)
    ch-23_qn-348choice_img_no4.png
Q.15
on Q349) What products are formed whenthe following compound is treated with Br2 in the presence of FeBr3?
ch-23_que_no-349_img_no1.png
  • a)
    ch-23_qn-349choice_img_no1.png
  • b)
    ch-23_qn-349choice_img_no2.png
  • c)
    ch-23_qn-349choice_img_no3.png
  • d)
    ch-23_qn-349choice_img_no4.png
Q.16
on Q350) What is the name of following reaction
ch-23_que_no-350_img_no1.png
  • a) Gatterman – Koch reaction
  • b) Williamson Synthesis
  • c) Williamson continuous etherification process
  • d) Etard reaction
Q.17
Which of the following is the most correct electron displacement for a nucleophilic reaction to take place ?
  • a)
    ch-23_qn-351choice_img_no1.png
  • b)
    ch-23_qn-351choice_img_no2.png
  • c)
    ch-23_qn-351choice_img_no3.png
  • d)
    ch-23_qn-351choice_img_no4.png
Q.18
on Q352) A single compound of the structure [ NEET 2015]
ch-23_que_no-352_img_no1.png
  • a)
    ch-23_qn-352choice_img_no1.png
  • b)
    ch-23_qn-352choice_img_no2.png
  • c)
    ch-23_qn-352choice_img_no3.png
  • d)
    ch-23_qn-352choice_img_no4.png
Q.19
In which of the following compounds, the C - Cl bond ionisation shall give most stable carbonium ion ?[ NEET 2015]
  • a)
    ch-23_qn-353choice_img_no1.png
  • b)
    ch-23_qn-353choice_img_no2.png
  • c)
    ch-23_qn-353choice_img_no3.png
  • d)
    ch-23_qn-353choice_img_no4.png
Q.20
The reaction of C6H5CH = CHCH3 with HBr produces .. [ NEET 2014]
  • a)
    ch-23_qn-354choice_img_no1.png
  • b)
    ch-23_qn-354choice_img_no2.png
  • c)
    ch-23_qn-354choice_img_no3.png
  • d) C6H5CH2CH2CH2Br
Q.21
2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid ?[ NEET 2015]
  • a) (CH3)2C=CH-CH2CH3
    ch-23_qn-355choice_img_no4.png
  • b) (CH3)2CH-CH2-CH=CH2
  • c) (CH3)3C-CH=CH2
  • d)
Q.22
In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule, to give a product 1-chloro-1-methylcyclohexane. The possible alkene is :-[ NEET 2015]
  • a)
    ch-23_qn-356choice_img_no1.png
  • b)
    ch-23_qn-356choice_img_no2.png
  • c) a and b
    ch-23_qn-356choice_img_no4.png
  • d)
Q.23
Which of the following statements is not correct for a nucleophile ?[ NEET 2016]
  • a) Nucleophiles attack low e- density sites
  • b) Nucleophiles are not electron seeking
  • c) Nucleophile is a Lewis acid
  • d) Ammonia is a nucleophile
Q.24
hich of the following compounds shall not produced propene by reaction with HBr followed by elimination of direct only elimination reaction ?[ NEET 2016]
  • a) H2C=C=O
    ch-23_qn-358choice_img_no2.png
  • b)
    ch-23_qn-358choice_img_no3.png
  • c)
    ch-23_qn-358choice_img_no4.png
  • d)
Q.25
Which one is the correct order of acidity? [NEET 2017]
  • a) CH2=CH2 > CH3-CH=CH2 > CH3-C ≡CH > CH ≡ CH
  • b) CH ≡ CH > CH3-C ≡CH > CH2=CH2 > CH3-CH3
  • c) CH ≡CH > CH2=CH2 > CH2 =CH2 > CH3 - CH3
  • d) CH3-CH3 > CH2 = CH2 > CH3 - C ≡CH > CH ≡ CH
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