jee-advanced 2007 Q24

jee-advanced · India · paper2 Not Maths
24. Among the following metal carbonyls, the $\mathrm { C } - \mathrm { O }$ bond order is lowest in
(A) $\left[ \mathrm { Mn } ( \mathrm { CO } ) _ { 6 } \right] ^ { + }$
(B) $\left[ \mathrm { Fe } ( \mathrm { CO } ) _ { 5 } \right]$
(C) $\left[ \mathrm { Cr } ( \mathrm { CO } ) _ { 6 } \right]$
(D) $\left[ \mathrm { V } ( \mathrm { CO } ) _ { 6 } \right] ^ { - }$ Answer ◯
(A)
(B)
(C)
(D)
In the following reaction,
24. Among the following metal carbonyls, the $\mathrm { C } - \mathrm { O }$ bond order is lowest in\\
(A) $\left[ \mathrm { Mn } ( \mathrm { CO } ) _ { 6 } \right] ^ { + }$\\
(B) $\left[ \mathrm { Fe } ( \mathrm { CO } ) _ { 5 } \right]$\\
(C) $\left[ \mathrm { Cr } ( \mathrm { CO } ) _ { 6 } \right]$\\
(D) $\left[ \mathrm { V } ( \mathrm { CO } ) _ { 6 } \right] ^ { - }$\\
Answer ◯\\
(A)\\
(B)\\
(C)\\
(D)\\