NEET Practice Questions - Chemistry - Environmental Chemistry

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  • Chapter:

    Environmental Chemistry

Which one of the following is not a common component of photochemical smog?

(a) Ozone

(b) Acrolein

(c) Peroxyacetyl nitrate

(d) Chlorofluorocarbons


Which one of the following statements regarding photochemical smog is not correct?

(a) Carbon monoxide does not play any role in photochemical smog formation

(b) Photochemical smog is an oxidising agent in character

(c) Photochemical smog is formed through photochemical reaction involving energy

(d) Photochemical smog does not cause irritation in eyes and throat


Green chemistry means such reactions which

(a) produce colour during reactions

(b) reduce the use and production of hazardous chemicals

(c) are related to the depletion of ozone layer

(d) study the reactions in plants

Environmental Chemistry questions are over , now starting Hydrocarbons questions

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





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

(c)Alk.KMnO4                   (d) Ammonical AgNO3

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

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

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

(a) C2H2                  (b) C6H6

(c) C2H6                   (d) C2H4

The product of the reaction between 

 +(CH3)3COH ?

(1)             (2)        (3)           (4) 

The reaction of toluene with Cl2 in the presence of FeCl3 gives 'X' and reaction in presence of presence of light gives 'Y'. Thus 'X' and 'Y' are                                            

(a) X= benzal chloride, Y=o-chlorotoluene

(b) X=m-chlorotoluene, Y=p-chlorotoluene

(c) X=o and p-chlorotoluene, Y= trichloromethyl benzene

(d) X= benzyl hloride, Y=m-chlorotoluene

What products are formed when the following compound is treated with Br2 in the presence of FeBr3?                                                                            

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