Identify the species, those obey the 18 electron rule, from the following: (A) (B) (C) (D) · ABC26IN1433
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: 18 Electron Rule · Exam: CSIR NET DEC 2015 · Marks: 2 · Difficulty: Medium
Identify the species, those obey the 18 electron rule, from the following: (A) 
(B) 
(C) 
(D) 
(B) (C) (D) (b)B and C
(c)C and D
(d)A and D
(a)A and B
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
CpCu(CO): 11 + 5 + 2 = 18. CpV(CO)₄: 5 + 5 + 8 = 18. CpMn(CO)₂ is 16 e and CpCr(CO)₃ is 17 e. A and D (d).
Study loop for Organometallic Compounds