Q.

Number of unpaired electrons of phosphorus in the ground and excited state are respectively m and n. The ratio of m and n is
_____

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answer is 0.6.

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Detailed Solution

The ground state electron configuration of a phosphorous atom has three unpaired electrons : 1s22s22p63s23p3.

The exited state electron configuration of a phosphorous atom has  5 unpaired electrons 

The ratio of m and n = 3/5 =0.6

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Number of unpaired electrons of phosphorus in the ground and excited state are respectively m and n. The ratio of m and n is_____