Answer:
1,3 - dimenthylbenzene
Right option is (c).
Step-by-step explanation:
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As here in the figure, we can see the hexagonal shape with a circle inside it which depicts the benzene ring. And at 1 and 3 carbon atom, the methyl group is attach to the it.
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It's formula will be
It is also known as m-xylene.
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And this organic compound is used in leather and rubber industries.