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Question

Pentane has the molecular formula C5H12. It has?


A

5 covalent bonds

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B

12covalent bonds

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C

16 covalent bonds

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D

17 covalent bonds

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Solution

The correct option is C

16 covalent bonds


The explanation for the correct option:

Option(C):16 covalent bonds

  • A covalent bond is known as the type of chemical bond that involves the sharing of electron pairs between atoms, in which the electron pairs are called as shared pairs or bonding pairs
  • The compound pentane is made up of two words ‘pent’ and ‘ane’, which suggest it has 5 carbons and it is an alkane.
  • The molecular formula of pentane is given by C5H12, which depicts that the compound consists of 12hydrogens.
  • Hence, the structure of the given compound can be drawn as :
  • As we can see from the figure, there are 5C-Csingle bonds along with 14C-Hsingle bonds.
  • Therefore, in total pentane, has 16covalent bonds.

Hence, pentane has 16covalent bonds, option (C) is the correct answer.


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