ICSE /Class 9
Chemistry MCQ Based On Electrovalent and covalent bonding
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ICSE Class 9 Chemistry Electrovalent and covalent bonding
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Electrovalent compounds are soluble in water.
Recall the concept of polarity of the covalent bonds.
The covalent bonded molecules have low melting and boiling point.
Recall the other name for the electrovalent bond.
In the formation of the oxygen molecule, each oxygen atom has six electrons in their valence shell. Each atom requires two more electrons to complete their octet.
These are not soluble in water.
Recall the definition of electrovalent bond.
NaCl is an example of Ionic Bond
Carbon cannot gain or donate electrons to complete its nearest noble gas configuration.
Think about electrovalent bond.
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