Consider the following complexes :- [Fe(η⁵–C₅H₅)₂], K[PtCl₃((η²–C₂H₄)], [V(CO)₆], [Mn(CO)₆], [Fe(CO)₂(NO)₂], Fe₂(CO)₉, K₃[Fe(CN)₆] If total number of complexes follow Sidgwick EAN rule = x If total number of complexes do not follow EAN rule = y
then find the value of then find the value of $\frac{x}{y}$

Question

Consider the following complexes :- [Fe(η⁵–C₅H₅)₂], K[PtCl₃((η²–C₂H₄)], [V(CO)₆], [Mn(CO)₆], [Fe(CO)₂(NO)₂], Fe₂(CO)₉, K₃[Fe(CN)₆] If total number of complexes follow Sidgwick EAN rule = x If total number of complexes do not follow EAN rule = y

then find the value of then find the value of $\frac{x}{y}$

TestHub · Accepted Answer

Follow EAN rule ( x = 3 ): [ F e ( η 5 − C 5 ​ H 5 ​ ) 2 ​ ] (EAN = 36), [ F e ( CO ) 2 ​ ( NO ) 2 ​ ] (EAN = 36), and K 4 ​ [ F e ( CN ) 6 ​ ] (EAN = 36). Do not follow EAN rule ( y = 4 ): K [ PtC l 3 ​ ( η 2 − C 2 ​ H 4 ​ )] (EAN = 84), [ V ( CO ) 6 ​ ] (EAN = 35), [ M n ( CO ) 5 ​ ] (EAN = 35), and F e 2 ​ ( CO ) 9 ​ (EAN = 35 per Fe without M-M bond consideration). Calculation: y x ​ = 4 3 ​ = 0.75

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