[sigma-" complex formed in the "],[" chlorination of benzene is "],[" A "],[" B "int_(theta)^( oo)C_(Cl)^(H)],[qquad _(Cl)^(H)]

The number of chlorine atoms acting a ligands in the complex [Co(en)_(2)(H_(2)O)Cl]Cl_(2) is

Identify the Co-ordination entity in the given complex [Co(NH_3) _4 (H_2O)Cl]Cl_2

Oxidising power of chlorine in aqueous solution can be determined by the parameters indicated below (1)/(2)CL_(2)(g)overset((1)/(2)Delta_(diss)H^(Theta))(rarr)Cl(g)overset(DeltaH_(Eg)^(Theta))(rarr) Cl^(-)(g)overset(Delta_(hyd)H^(Theta))(rarr)Cl^(-)(aq) The energy involved in the conversion of (1)/(2)Cl_(2)(g) to Cl^(-)(aq) (Using the data Delta_(diss)H_(Cl_(2))^(Theta)=240KJ mol^(-1) ) Delta_(Eg)H_(Cl)^(Theta)=-349KJmol^(-1) , Delta_(Eg)H_(Cl)^(Theta)=-381KJmol^(-1) ) will be