Answer:
The concept of lewis acids and bases can explain the acidic nature of CO2. A lewis acid is a compound which can accept an electron pair whereas a lewis base is a compound which can donate an electron pair. CO2 acts as a lewis acid.
<h2>Answer:</h2>
There is only one valence electron in Al(OH)4- anion.
<h3>Explanation:</h3>
- Valency is the number of electrons in the outer most shell of an atom.
- In this compound, aluminium has the valency of +3. It means Al needs only 3 electrons to complete its outer most shell.
- Hence the stable molecule Al(OH)3.
- But the addition of one another OH- leads to the negative charge and there is one spare electron which can make bond to an atom to stable the compound.
Volume decreases. The smaller it gets the higher the density
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