Question

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Answer 1

We know that single bond represent Sigma bond ,
Refer to picture,
it is clear that there are 10sigma bonds in one one molecule of given compound.
So,
Number of moles in 34 g of 2 methyl 1-3 but diene. = W/molecular mass
= 34/68
= 1/2
Number of molecules in 1/2 mole = 1/2* 6.023 *10^23
= 3.011 * 10^23
So,
Number of bonds in 3.011 * 10^23 molecules =
3.011 * 10^23 *10
= 30.11 *10^23