Which of the following is incorrect for the complex $[Fe(CO)_x]$?
- AIt is an organometallic compound containing $\sigma$- and $\pi$-bonds.
- BThe value of $x$ in this complex is $6$.
- CIn the complex,$CO$ is a $\pi$-acid ligand.
- DIt has a trigonal bipyramidal geometry.
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The structure of ferrocene is $Fe(\eta ^5 - C_5H_5)_2$.
Difficult
View SolutionWhich of the following substances is used as an antiknock compound?
MediumAIIMS 2000
View SolutionThe correct statement$(s)$ regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: $Fe = 26, Ni = 28$)
$A$. Total number of valence shell electrons at metal centre in $Fe(CO)_5$ or $Ni(CO)_4$ is $16$
$B$. These are predominantly low spin in nature
$C$. Metal-carbon bond strengthens when the oxidation state of the metal is lowered
$D$. The carbonyl $C-O$ bond weakens when the oxidation state of the metal is increased
$A$. Total number of valence shell electrons at metal centre in $Fe(CO)_5$ or $Ni(CO)_4$ is $16$
$B$. These are predominantly low spin in nature
$C$. Metal-carbon bond strengthens when the oxidation state of the metal is lowered
$D$. The carbonyl $C-O$ bond weakens when the oxidation state of the metal is increased
MediumIIT 2018
View SolutionMatch List-$I$ with List-$II$:
$LIST-I$ (Substances) $LIST-II$ (Element Present) $A$. Ziegler catalyst $I$. Rhodium $B$. Blood pigment $II$. Cobalt $C$. Wilkinson catalyst $III$. Iron $D$. Vitamin $B_{12}$ $IV$. Titanium
Choose the correct answer from the options given below:
| $LIST-I$ (Substances) | $LIST-II$ (Element Present) |
| $A$. Ziegler catalyst | $I$. Rhodium |
| $B$. Blood pigment | $II$. Cobalt |
| $C$. Wilkinson catalyst | $III$. Iron |
| $D$. Vitamin $B_{12}$ | $IV$. Titanium |
Choose the correct answer from the options given below:
DifficultJEE MAIN 2024
View SolutionWhich of the following does not have a metal-carbon bond?
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