Question:
The name and formula of the compound of magnesium, chlorine and oxygen used as a drying agent is
The name and formula of the compound of magnesium, chlorine and oxygen used as a drying agent is
Updated On: Jul 7, 2022
- magnesium oxychlorite, $Mg(OCl)_2$
- magnesium chlorate, $Mg(ClO_3)_2$
- magnesium perchlorate, $Mg(ClO_4)_2$
- none of the above
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The Correct Option is C
Solution and Explanation
Magnesium perchlorate (anhydrone) has strong affinity for water giving $Mg(ClO_4)_2 \cdot 6H_2O$. It loses whole of water when heated at $250^?C$ and drying property is regenerated.
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Concepts Used:
Group 2 Elements
The group two or alkaline earth metals are s-block elements with two electrons in their s-orbital. They are alkaline earth metals. They are named so because of the alkaline nature of the hydroxides and oxides.
Alkaline earth metals are characterized by two s-electrons. This group of elements includes:
- Beryllium (Be)
- Magnesium (Mg)
- Calcium (Ca)
- Strontium (Sr)
- Barium (Ba)
- Radium (Ra)
Elements whose atoms have their s-subshell filled with their two valence electrons are called alkaline earth metals. Their general electronic configuration is [Noble gas] ns2. They occupy the second column of the periodic table and so-called as group two metals also.