g An alkyne with molecular formula C5H8 is treated with excess HBr, and two different products are obtained, each of which has molecular formula C5H10Br2. Identify the starting alkyne.
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Explanation:
helium has a structure 1s² the electrons are removed from the same orbital as in case of hydrogen the electrons are closest to the nucleus the value of ionization energy of helium is much higher than hydrogen because the nucleus now has 2 proton attracting the electrons instead of 1 in case of hydrogen