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

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

The energy of electron present in bohr's second orbit of hydrogen atom is $-328\;kJ\; mol^{-1}$