
Concept explainers
Interpretation:
The bond polarity of the C-H bond in methane CH4 needs to be identified.
Concept introduction:
The

Answer to Problem 15STP
The correct answer is (D).
Explanation of Solution
Methane or CH4 is the hydrocarbon which is generally used as a fuel. Methane is considered as non-polar. It is said to be non-polar because the electronegativities of C and H bonds are so close to each other. The values for C and H are: C = 2.55 and H = 2.20. Thus, the value of
So, the correct option is (D) which states that C-H bond polarity is quite small in CH4 because of small electronegativity difference between hydrogen and carbon atom.
Chapter U2 Solutions
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