Solved papers for JEE Main & Advanced AIEEE Solved Paper-2004

done AIEEE Solved Paper-2004 Total Questions - 2

• question_answer1) In a first order reaction, the concentration of the reactant, decreases from 0.8 M to 0,4 M in 15 min, The time taken for the concentration to change from 0.1 M to 0.025 M is
  A)
  30 min                  
  done clear
  B)
  15 min
  done clear
  C)
                         7.5 min           
  done clear
  D)
         60 min
  done clear
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• question_answer2) The rate equation for the reaction \[A+B\xrightarrow{{}}C\]is found to be rate\[=k[A][B]\] The correct statement in relation to this reaction is that the
  A)
  unit of k must be\[{{s}^{-1}}\]
  done clear
  B)
  \[{{t}_{1/2}}\]is a constant
  done clear
  C)
  rate of formation of C is twice the rate of disappearance of A
  done clear
  D)
  value of k is independent of the initial concentrations of A and B
  done clear
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