Although $Zr$ belongs to $4d$ and $Hf$ belongs to $5d$ transition series but it is quite difficult to separate them. Why ?
Although $Zr$ belongs to $4d$ and $Hf$ belongs to $5d$ transition series but it is quite difficult to separate them. Why ?
Similar Questions
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.: $Cr=24$, $Mn = 25$, $Co = 27$, $Ni = 28$, $Cu = 29)$
$Cu^+$ ion is not stable in aqueous solution, due to
$Cu^+$ ion is not stable in aqueous solution, due to
Assertion : Transition metals are good catalysts.
Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ by contact process.
Assertion : Transition metals are good catalysts.
Reason : $V_2O_5$ or $Pt$ is used in the preparation of $H_2SO_4$ by contact process.
- [AIIMS 2015]
The element the usually does $NOT$ show variable oxidation states is
The element the usually does $NOT$ show variable oxidation states is
- [JEE MAIN 2019]
Calculate the 'spin only' magnetic moment of $M ^{2+}(\operatorname{aq})$ ion $(Z=27)$
Calculate the 'spin only' magnetic moment of $M ^{2+}(\operatorname{aq})$ ion $(Z=27)$