A) rh(o2cch3)4(h2o)2 has the same structure as moz(o2cch3)4with two axially bound water molecules. the rh-rh bond distance is 2.386 å (rh metal, 2.698). given the orbital arrangement for metal metal-metal bonding has been shown to be [0.(nt t), 8 (tt* 1"), 8", 6*] (i) draw molecular orbital energy level diagram for rh2. (ii) what is the bond order for rh-rh bonding?

i don t now

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-

the correct answer is:

a. formation of precipitation

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