Question:
The salt which responds to dilute and concentrated $H_2SO_4$ is
The salt which responds to dilute and concentrated $H_2SO_4$ is
Updated On: Feb 23, 2024
- $CaF_2$
- $Ba(NO_3)_2$
- $Na_2SO_4$
- $Na_3PO_4$
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The Correct Option is B
Solution and Explanation
$Ba \left( NO _{3}\right)_{2} $ responds to both dilute and concentrated $H _{2} SO _{4}$
$Ba \left( NO _{3}\right)_{2}+ H _{2} SO _{4}(\text { dil. }) \to BaSO _{4}(s) \downarrow +2 H +2 NO _{3}^{-}(aq)$
$Ba(NO_3)_2+H_2SO_4 $ (Conc) $\to \underset{\text{White ppt. ( Sparingly soluble salt)}}{{BaSO_4}} ? +2HNO_3$
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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.