AP BIOLOGY

BIOCHEMISTRY

POLAR AND NONPOLAR MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which best describes a triple bond?
A
3 shared pairs of electrons
B
3 shared electrons
C
a central electron with 3 atoms bonded around it
Explanation: 

Detailed explanation-1: -triple bond, in chemistry, a covalent linkage in which two atoms share three pairs of electrons, as in the nitrogen molecule, N2, or acetylene, C2H2.

Detailed explanation-2: -A triple bond can be considered as one sigma bond and two pi bonds. The head-on overlap between two px orbitals of two-atom forms the sigma bond.

Detailed explanation-3: -A triple covalent bond is a covalent bond formed by atoms that share three pairs of electrons.

Detailed explanation-4: -A triple bond in chemistry is a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond. Triple bonds are stronger than the equivalent single bonds or double bonds, with a bond order of three.

Detailed explanation-5: -In a triple bond, six total electrons are shared. Each of the atoms shares three electrons, for a total of six electrons that make the bond. When these bonds are created, balance in attraction and repulsion is gained between the atoms.

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