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Question : Molecular formula of chlorophyll-b is

Answer»

`C_(55)H_(70)O_(6)N_(4)Mg`
`C_(55)H_(72)O_(5)N_(4)Mg`
`C_(55)H_(70)O_(5)N_(4)Mg`
`C_(54)H_(70)O_(6)N_(4)Mg`

Solution :The molecular formula of chlorophyll-b is `C_(55)H_(70)O_(6)N_(4)Mg`. It helps in photosynthesis by ABSORBING light energy. It is more soluble in polar solvents than chlarophyll-a because of its carbonyl group. It is of yellow colour and PRIMARILY absorbs blue light.


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