Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) The standard enthalpy of formation of \[N{{H}_{3}}\] is -46.0 kJ/mol. If the enthalpy of formation of \[{{H}_{2}}\] from its atoms is -436 kJ/mol and that of \[{{N}_{2}}\] is - 712 kJ/mol, the average bond enthalpy of N - H bond in \[N{{H}_{3}}\] is:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  -1102 kJ/mol                       
  done clear
  B)
   - 964 kJ/mol
  done clear
  C)
  + 352 kJ/mol      
  done clear
  D)
  + 1056 kJ/mol
  done clear
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