The energy of an electron present in Bohr's second orbit of hydrogen atom is :

Question

( A ) $-328\;J\; mol^{-1}$
( B ) $-1312\; J\; atom^{-1}$
( C ) $-164\;kJ\; mol^{-1}$
( D ) $-328\;kJ\; mol^{-1}$