Question 21
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
(a) helium
(b) neon
(c) argon
(d) krypton

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Solution

The answer is (b) Neon
Because it will have total 10 electrons (8 in its valence shell) which is the atomic number of Neon.

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Question 21
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
(a) helium
(b) neon
(c) argon
(d) krypton

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of:

(1) Helium (2) Neon

(3) Argon (4) Krypton

Q. Carbon forms four covalent bonds by sharing its four valence electrons with univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of :

Q. Assertion :Carbon shows tetravalency in all carbon compounds. Reason: Carbon shares its four valence electrons with other atoms and forms four single covalent bonds to get the nearest noble gas configuration.

Q. Assertion :Tetravalency of carbon leading to formation of single, double and triple bonds. Reason: The electronic configuration of carbon is