Coordination sphere isomers . Select one: A. have the same molecular formula but different coordination numbers B. have the same molecular formula and coordination number C. are the same as resonance structures D. have different molecular formulas and different coordination numbers E. have different molecular formulas but the same coordination number

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.