Question

How many O2 molecules are released during photosynthesis​

Answer 1

6 molecules of $O_{2}$ are released during photosynthesis.

$6 CO_{2} + 12H_{2}O \frac{ \: \: chlorophyll \: \: \: \: \: }{ \: \: \: \: \: \: sunlight \: \: \: \: \: \: \: } > \: C_{6}H_{12}O_{6}+ 6O_{2} + 6H_{2}O$