Which property of hydrogen is shown by the following reaction ?
(i) `Fe_(3)O_(4) + 4H_(2) rarr 3Fe + 4H_(2)O`
(ii) `CO + H_(2) overset ("ZnO,")underset(Cr_(r )O_(3))rarr CH_(3) OH`

Which property of hydrogen is shown by the following reaction ? (i) Fe_(3)O_(4) + 4H_(2) rarr 3Fe + 4H_(2)O (ii) CO + H_(2) overset ("ZnO")underset(Cr_(2 )O_(3))rarr CH_(3) OH

Fe_(2)O_(3)+3H_(2) rarr 2Fe+3H_(2)O ( reference to iron )

Calculate the number of electrons lost in the following change : Fe + H_(2)O rarr Fe_(3)O_(4)+H_2

Write structures of the products of the following reactions: (i) CH_(3)-CH=CH_(2)overset(H_(2)O //H^(+))rarr (ii) (iii) CH_(3)-CH_(2)-underset(CH_(3))underset("| ")("C ")H-CHO overset(NaBH_(4))rarr

Complete the following reaction: i) R-CH_(2)-OH overset(Cu)underset(573K)rarr ii) CH_(3)-CH=CH_(2) + H_(2)O overset(H^(+))rarr