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Which equation is correct to prove that  comes from water during photosynthesis?

a)

b)

c)

d)


Question ID - 4816 | Toppr Answer

Which equation is correct to prove that  comes from water during photosynthesis?

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (d) -

(d)

Ruben and Kamen (1941) and Ruben et al (1941) suspended Chlorella in water having non-radioactive heavy isotope of oxygen , instead of natural oxygen (). The suspension was illuminated. Oxygen evolved was tested by means of mass spectrometer. It was found to be having isotope, . This is possible only if, oxygen evolved during photosynthesis comes from splitting of water



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