Question:
The normal dehydrating agent, used in a laboratory is
The normal dehydrating agent, used in a laboratory is
Updated On: Jun 20, 2022
- $\ce{MgCO3}$
- $\ce{CaF2}$
- NaCl
- $\ce{CaCl2}$
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The Correct Option is D
Solution and Explanation
The most desirable dehydrating agents that can be used for commercial dehydration purposes. The normal dehydrating agent, used in a laboratory is $CaCl_2$.
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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.