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Q17) The possible number of isomers for the complex [MCl2 Br2]SO4 is [AIIMS 1994]




SOLUTION

[MCl2 Br2]SO4 give [MCl2BrSO4]Br and [MClBr2SO4]Cl as ionization isomers and also cis and trans geometrical isomers are expected
Answer: (c)


Q18) Which of the following ions forms most stable complex compound? [ MP PMT 1995]




SOLUTION

Mn2+ has d5 configuration
Answer: (d)


Q19) In which there is outer orbital hybridization? [ BHU 1993]



SOLUTION

there is a sp3d2 hybridization in [Zn(NH3)6]2+
Answer:(a)



Q20) An example of double salt is ..[CBSE PMT 1989]



SOLUTION


Answer: (d)


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