CBSE Class 10 Science 2017 · Paper 531/2 · Question 1
Draw the structure of ethane molecule and write the number of covalent bonds in it.
Answer
Ethane, , has 7 covalent bonds: six C-H and one C-C.
Structure: in ethane () the two carbon atoms are joined by a single covalent bond and each carbon is bonded to three hydrogen atoms, (the structural formula is drawn in the figure).
Number of covalent bonds: (six C–H bonds and one C–C bond, all single bonds).
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