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प्रश्न
Give two significant differences between:
Chlorophyll ‘a’ and Chlorophyll b ‘
उत्तर
| Chlorophyll ‘a’ | Chlorophyll ‘b’ |
| (i) Presence of methyl group (-CH3) at carbon atom 3 of pyrrolring 11. (ii) Chi. ‘a’ has molecular formula C55 H72 O5 N4 Mg (iii) Blue-green in colour (iv) Soluble in petroleum ether (v) Primary photosynthetic pigment |
(i) Instead of methyl group, there is present CHO group (ii) Chi ‘b’ has a molecular formula C55H70O6N4 Mg (iii) Yellow-green (iv) Soluble in methyl alcohol (v) Accessory pigment |
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