Metal-metal bonding is more frequent in $4d$ or $5d$ series than in $3d$ series due to
Metal-metal bonding is more frequent in $4d$ or $5d$ series than in $3d$ series due to
- A
their greater enthalpies of atomisation
- B
the large size of the orbitals which participates in the metal-metal bond formation
- C
their ability to involve both $ns$ and $(n - 1)\,d$ electrons in the bond formation
- D
the comparable size of $4d$ and $5d$ series elements
Similar Questions
The $\mathrm{E}^{\circ}$ value for the $\mathrm{Mn}^{3 *} / \mathrm{Mn}^{2+}$ couple is more positive than that of $\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$ or $\mathrm{Fe}^{3+} / \mathrm{Fe}^{2 *}$ due to change of
The $\mathrm{E}^{\circ}$ value for the $\mathrm{Mn}^{3 *} / \mathrm{Mn}^{2+}$ couple is more positive than that of $\mathrm{Cr}^{3+} / \mathrm{Cr}^{2+}$ or $\mathrm{Fe}^{3+} / \mathrm{Fe}^{2 *}$ due to change of
- [NEET 2024]
Assertion : The free gaseous $Cr$ atom has six unpaired electrons
Reason : Half-filled s orbital has greater stability.
Assertion : The free gaseous $Cr$ atom has six unpaired electrons
Reason : Half-filled s orbital has greater stability.
- [AIIMS 2004]
Mention the type of compounds formed when small atoms like $H$, $C$ and $N$ get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.
Mention the type of compounds formed when small atoms like $H$, $C$ and $N$ get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.
Melting point of $FeCl_3$ and $FeCl_2$ is
Melting point of $FeCl_3$ and $FeCl_2$ is
Which of the following species is expected to show the highest magnetic moment? (At. Nos.: $Cr=24$, $Mn = 25$, $Co = 27$, $Ni = 28$, $Cu = 29)$
Which of the following species is expected to show the highest magnetic moment? (At. Nos.: $Cr=24$, $Mn = 25$, $Co = 27$, $Ni = 28$, $Cu = 29)$