Fill in the blanks
(i) In the reaction I- + I2 → I3-, the Lewis acid is ____.
(ii) Silver jewellery items tarnish slowly in the air due to the reaction with _____.
(iii) Compounds that formally contain Pb4+ are easily reduced to Pb2+. The
stability of the lower oxidation state is due to ____.
(iv) Glycerine container one _____ hydroxy group.
(v) 1, 3-Butadiene with bromine in molar ratio generates predominantly ____.