The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is
The $d-$ block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride $(MX_2)$ is volatile on heating is
- A
$Cu$
- B
$Hg$
- C
$Ce$
- D
$Pm$
Similar Questions
How do the oxidation states of the elements vary in the transition series?
How do the oxidation states of the elements vary in the transition series?
When $KMnO_4$ solution is added to hot oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time. This is because
When $KMnO_4$ solution is added to hot oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time. This is because
Percentage of silver in German silver is
Percentage of silver in German silver is
- [AIPMT 2000]
'Spin only' magnetic moment is same for which of the following ions?
$A$. $\mathrm{Ti}^{3+}$ $B$. $\mathrm{Cr}^{2+}$ $C$. $\mathrm{Mn}^{2+}$ $D$.$\mathrm{Fe}^{2+}$ $E$. $\mathrm{Sc}^{3+}$
Choose the most appropriate answer from the options given below.
'Spin only' magnetic moment is same for which of the following ions?
$A$. $\mathrm{Ti}^{3+}$ $B$. $\mathrm{Cr}^{2+}$ $C$. $\mathrm{Mn}^{2+}$ $D$.$\mathrm{Fe}^{2+}$ $E$. $\mathrm{Sc}^{3+}$
Choose the most appropriate answer from the options given below.
- [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]