The C=C bond in the chain of the compound considered is shown by _________
1) Specifying the number of carbon atoms associated with the bond
2) Specifying the number of carbon atoms at beginning of the C=C bond
3) Specifying the number of carbon atoms at end of the C=C bond
4) Specifying the number of carbon atoms in the entire chain
3) Specifying the number of carbon atoms at end of the C=C bond