Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)

done JEE Main Paper (Held On 11 April 2014) Total Questions - 1

• question_answer1) Which of the following statements about the depletion of ozone layer is correct?   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  The problem of ozone depletion is less serious at poles because \[N{{O}_{2}}\] solidifies and is not available for consuming \[CI{{O}^{\bullet }}\]radicals.
  done clear
  B)
  The problem of ozone depletion is more serious at poles because ice crystals in the clouds over poles act as catalyst for photochemical reactions involving the decomposition of ozone of \[C{{l}^{\bullet }}\] and \[Cl{{O}^{\bullet }}\] radicals.
  done clear
  C)
  Freons, chlorofluorocarbons, are inert. Chemically, they do not react with ozone in stratosphere.
  done clear
  D)
  Oxides of nitrogen also do not react with ozone in stratosphere.
  done clear
  View Answer play_arrow