JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank

done Corrosion Total Questions - 4

• question_answer1)
  Corrosion is basically a   [Kerala (Med.) 2002]
  A)
  Altered reaction in presence of \[{{H}_{2}}O\] done clear
  B)
  Electrochemical phenomenon done clear
  C)
  Interaction done clear
  D)
  Union between light metal and heavy metal done clear
  View Solution play_arrow

• question_answer2)
  Rusting of iron is catalysed by which of the following [MNR 1990; UPSEAT 2001]
  A)
                  \[Fe\]    done clear
  B)
                  \[{{O}_{2}}\] done clear
  C)
                  \[Zn\]    done clear
  D)
                  \[{{H}^{+}}\] done clear
  View Solution play_arrow

• question_answer3)
  Which of the following is a highly corrosive salt [AFMC 2005]
  A)
                  \[FeC{{l}_{2}}\] done clear
  B)
                  \[PbC{{l}_{2}}\] done clear
  C)
                  \[H{{g}_{2}}C{{l}_{2}}\]  done clear
  D)
                  \[HgC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer4)
  Corrosion of iron is essentially an electrochemical phenomenon where the cell reactions are      [KCET 2005]
  A)
                  \[Fe\] is oxidised to \[F{{e}^{2+}}\] and dissolved oxygen in water is reduced to \[\overset{\,\,\,\,\,\,\,}{\mathop{OH}}\,\] done clear
  B)
                  \[Fe\] is oxidised to \[F{{e}^{3+}}\] and \[{{H}_{2}}O\] is reduced to \[O_{2}^{2-}\] done clear
  C)
                  \[Fe\] is oxidised to \[F{{e}^{2+}}\] and \[{{H}_{2}}O\] is reduced to \[O_{2}^{-}\] done clear
  D)
                  \[Fe\] is oxidised to \[F{{e}^{2+}}\] and \[{{H}_{2}}O\] is reduced to \[{{O}_{2}}\] done clear
  View Solution play_arrow