Which is the most suitable reagent among the following to distinguish compound (III) from rest of the compounds?                                                                                                 

I. CH3-CC-CH3

II. CH3-CH2-CH2-CH3

III. CH3-CH2-CCH

IV. CH3-CH=CH2

(a) Br2/CCl4                     (b) Br2/CH3COOH

(c)Alk.KMnO4                   (d) Ammonical AgNO3

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Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?       

(a) NaNH2            (b) HCl             (c) O2                 (d) Br2

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A compound is treated with NaNH2 to give sodium salt. Identify the compound.                      

(a) C2H2                  (b) C6H6

(c) C2H6                   (d) C2H4

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When chlorine is passed through propene at 400°C, which of the following is formed?            

(a) PVC                         (b) Allyl chloride  

(c) Nickel chloride          (d) 1,2-dichloro ethane

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When acetylene is passed through dil.H2SO4 in presence of HgSO4, the compound formed is

(a) ether                           (b) ketone

(c) acetic acid                    (d) acetaldehyde

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Benzene reacts with CH3Cl in the presence of anhy. AlCl3 to form

(a) toluene

(b) chlorobenzene

(c) benzylchloride

(d) xylene

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In the following reaction,

 

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2-bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is 

(a) 2-ethoxypentane                    (b)pentene-1

(c) trans-pentene-2                     (d) cis -pentene-2

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CH3-CC-HCH3MgBrCH4 + (A)(ii) H2O/H+(i) CO2(B); (B) will be

(1) H3C-CH2-CH2-COOH                                (2) CH3-CC-CH3

(3) H3C-CC-COOH                                      (4) H3C-CH=CH-COOH

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The monochlorinated products (excluding stereo-isomers) obtained from the reaction is:

(1) 4            (2) 5              (3) 6            (4) 7

 

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