Download App

STD 12 - 4. d and f- block elements — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - 4. d and f- block elements4 Marks
MCQ
In which of the following compound transition metal has zero oxidation state
  • A
    $Cr{O_5}$
  • B
    $N{H_2}.N{H_2}$
  • C
    $NOCl{O_4}$
  • ✓
    $[Fe{(CO)_5}]$
✓

Answer

Correct option: D.
$[Fe{(CO)_5}]$
d
(d) In $[Fe{(CO)_5}]$, transition metal $Fe$ has zero oxidation state.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

JEE STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Concentration of a gas is expressed in the following terms in the calculation of equilibrium constant
→
The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is
→
The fundamental basis of the present-day Periodic Table is that elements are
→
Which of the following ligands is expected to bidentate
→
The compound that is not olefinic organometallic is
→
The energy of an electron in the first Bohr orbit of $H$atom is $ - 13.6\,eV$. The possible energy value $(s)$ of the excited state $(s)$ for electrons in Bohr orbits to hydrogen is(are) ............. $\mathrm{eV}$
→
Match List - $I$ with List - $II$.

List - $I$ List - $II$
$ICI$ $\mathrm{T}$-Shape
$\mathrm{ICI}_3$ Square pyramidal
$\mathrm{CIF}_5$ Pentagonal bipyramidal
$\mathrm{IF}_7$ Linear

Choose the correct answer from the options given below:

→
Which of the following will have a meso isomer also
→
Which of the following acids, the strongest is
→
$M X _2$ dissociates into $M ^{2+}$ and $X$ - ions in an aqueous solution, with a degree of dissociation ( $\alpha$ ) of $0.5$ . The ratio of the observed depression of freezing point of the aqueous solution to the value of the depression of freezing point in the absence of ionic dissociation is
→