Ag+ + NH3 [Ag(NH3)+]; k1 = 3.5 x 10-3[Ag(NH3)+] + NH3 [Ag(NH3)2]+; k2 = 1.7 x 10-3then the formation constant of [Ag(NH3)2]+ isOptions:6.08 x 10-66.08 x 1066.08 x 10-9None

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Sum of series 2[n/2] ! [n/2]!/ n! [2Co-2C2+3C2....+[-1]^n[n+1]2Cn] where n is an even positive integer. Kindly provide solution of this question and how to generalise this. How do we know that which expansion will give this?

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