7(iv)
Metal X is low in the reactivity series and it is obtained by the electrolysis of its bromide.
Complete the following blanks by choosing the correct word from the options given in the brackets:
(a) Metal X is ............... (lead / sodium)
(b) The bromide is in the ............... state. (solution / molten)
(c) The sulphate of metal X will have the formula ............... (X2SO4 / XSO4)
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(a) Metal X is lead.
(b) The bromide is in the molten state.
(c) The sulphate of metal X will have the formula XSO4.