question_answer 49)

  Which of the following metals are obtained by electrolysis of their chlorides in molten state? (i) Na                                     (ii) Ca (iii) Fe                                (iv) Cu (a) (i) and (iv)                     (b) (iii) and (iv)                  (c) (i) and (iii)                     (d) (i) and (ii)

Answer:

                  (d) Sodium (Na) and calcium (Ca) being highly reactive are obtained by electrolysis of their chlorides in molten state.