How many of the following statements(s) is/are true?(i) When HCl reacts with finely powdered iron it forms ferrous chloride and not ferric chloride.(ii) When Cl2 reacts with hot and concentrated NaOH its oxidation tate is changed from zero to –1 and +5 oxidation states.(iii) H2S is less acidic than H2Te(iv) All the five bonds in PCl5 molecule are equivalent.(v) Elements of Group – 16 generally show lower value of first ionization enthalpy compared to the corresponding periods of group – 15.(vi) Basicity of H3PO2 is 2

karthik , 7 Years ago

Grade 12