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Orie or More than One Options Correct Type
Direction (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.
Q. 
Which of the following forms a metal carbonyl corresponding [M(CO)6]?
  • a)
    Cr
  • b)
    W
  • c)
    Fe
  • d)
    Ni
Correct answer is option 'A,B'. Can you explain this answer?
Verified Answer
Orie or More than One Options Correct TypeDirection (Q. Nos. 11-15) Th...
Stable complex is obtained when sum of metal d-electrons and electrons donated by ligands and the overall charge of the complex equals to 18. Chromium and tungsten obey 18-electron rule or effective atomic number rule.
In [Cr(CO)6]
Atomic number of chromium = 24
∴ Cr contains electrons = 24 e- 
6 CO ligand donate (6 x 2 electrons) = 12 e-
EAN of [Cr(CO)6] = 36e- 
Thus, it may be stated that the complex [Cr(CO)6] obeys EAN rule and it will be stable complex. [W(CO)6] can be solved same as above.
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Orie or More than One Options Correct TypeDirection (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.Q.Which of the following forms a metal carbonyl corresponding [M(CO)6]?a)Crb)Wc)Fed)NiCorrect answer is option 'A,B'. Can you explain this answer?
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Orie or More than One Options Correct TypeDirection (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.Q.Which of the following forms a metal carbonyl corresponding [M(CO)6]?a)Crb)Wc)Fed)NiCorrect answer is option 'A,B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Orie or More than One Options Correct TypeDirection (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.Q.Which of the following forms a metal carbonyl corresponding [M(CO)6]?a)Crb)Wc)Fed)NiCorrect answer is option 'A,B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Orie or More than One Options Correct TypeDirection (Q. Nos. 11-15) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.Q.Which of the following forms a metal carbonyl corresponding [M(CO)6]?a)Crb)Wc)Fed)NiCorrect answer is option 'A,B'. Can you explain this answer?.
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