SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Why is carbon able form long chains?
A
because carbon is an unstable non-metallic element
B
carbon can form 4 covalent bonds
C
carbon is the most abundant element on the surface of our planet
D
every organic compound contains carbon
Explanation: 

Detailed explanation-1: -Because carbon has four electrons in its valence (outer) shell, it can form four covalent bonds with other atoms or molecules. This enables carbon to share four electron pairs with other atoms.

Detailed explanation-2: -A carbon atom is tetravalent, I.e. it can form four covalent bonds.

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