Assertion :Copper(II) iodide is not known. Reason: Cu2+ oxidises I− to I2.
ASSERTION: n-Pentane and n-Hexane belong to a homologous series.
REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - CH2 - group.
Assertion – The non-fusible impurities present in iron ore are removed by CaCO3 .
Reason: CaCO3 which decomposes into CaO and CO2. The CaO formed reacts with SiO2 to remove silica
Assertion
Lithium sulphate does not form alums.
Reason
Li+ is too small to form a stable lattice required for double-salt/alum formation.