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Arrange the following in increasing order of C-O stretching frequency

(I) CO           (II) (NH3)5M(CO)        (III) CO+        (IV) (PH3)5M(CO)          (V) (PF3)5MCO

  • a)
    I > III > II > IV > V                                                                

  • b)
    II > I > V > IV > III            

  • c)
    III > I > V > IV > II                                                                

  • d)
    II > V > I > V > III

Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Arrange the following in increasing order of C-O stretching frequency(...
-Hydrogen bonding solvents will lower these frequencies by 15 to 20 cm-1. Three factors are known to perturb the carbonyl stretching frequency
-Strong σ donor co-ligands or a negative charge on the metal result in CO stretches at lower frequency. Why? The greater the ability of a metal to donate electrons to the π* orbitals of CO, the lower the energy of the C-O stretching vibration.
-The correct arrangement is given in option C.
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Arrange the following in increasing order of C-O stretching frequency(...
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Arrange the following in increasing order of C-O stretching frequency(I) CO (II) (NH3)5M(CO) (III) CO+ (IV) (PH3)5M(CO) (V) (PF3)5MCOa)I > III > II > IV > Vb)II > I > V > IV > IIIc)III > I > V > IV > IId)II > V > I > V > IIICorrect answer is option 'C'. Can you explain this answer?
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Arrange the following in increasing order of C-O stretching frequency(I) CO (II) (NH3)5M(CO) (III) CO+ (IV) (PH3)5M(CO) (V) (PF3)5MCOa)I > III > II > IV > Vb)II > I > V > IV > IIIc)III > I > V > IV > IId)II > V > I > V > IIICorrect answer is option 'C'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Arrange the following in increasing order of C-O stretching frequency(I) CO (II) (NH3)5M(CO) (III) CO+ (IV) (PH3)5M(CO) (V) (PF3)5MCOa)I > III > II > IV > Vb)II > I > V > IV > IIIc)III > I > V > IV > IId)II > V > I > V > IIICorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Arrange the following in increasing order of C-O stretching frequency(I) CO (II) (NH3)5M(CO) (III) CO+ (IV) (PH3)5M(CO) (V) (PF3)5MCOa)I > III > II > IV > Vb)II > I > V > IV > IIIc)III > I > V > IV > IId)II > V > I > V > IIICorrect answer is option 'C'. Can you explain this answer?.
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