What is the valency of carbon?
Answer and explanation
Correct answer: Four
Carbon has atomic number 6, so its electronic configuration is 2,4. It has four electrons in its valence shell and generally shares four electrons to complete a stable outer shell. Consequently, carbon forms four covalent bonds and has valency four. Nitrogen commonly shows valency three, while one and two are not the usual valencies tested for neutral carbon in this context. Hence, option D is correct.
Frequently asked questions
What is the correct answer to this question?
Four
Why is this the correct answer?
Carbon has atomic number 6, so its electronic configuration is 2,4. It has four electrons in its valence shell and generally shares four electrons to complete a stable outer shell. Consequently, carbon forms four covalent bonds and has valency four. Nitrogen commonly shows valency three, while one and two are not the usual valencies tested for neutral carbon in this context. Hence, option D is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Carbon and its Compounds. Topic: Covalent bonding.
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