Chlorophyll-a and b differ in having | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Chlorophylls are magnesium porphyrin compounds. Chlorophyll-$a$ $(C_{55}H_{72}O_{5}N_{4}Mg)$ and chlorophyll-$b$ $(C_{55}H_{70}O_{6}N_{4}Mg)$ both

Vedclass · Accepted Answer

Chlorophyll-$a$ has a methyl group and chlorophyll-$b$ has an aldehyde group in position $X$

Vedclass · Answer

(A) Chlorophylls are magnesium porphyrin compounds. Chlorophyll-$a$ $(C_{55}H_{72}O_{5}N_{4}Mg)$ and chlorophyll-$b$ $(C_{55}H_{70}O_{6}N_{4}Mg)$ both consist of a magnesium porphyrin head,which is hydrophilic,and a phytol tail,which is lipophilic.Chlorophyll-$b$ differs from chlorophyll-$a$ only in one of the functional groups bonded to the porphyrin ring.Specifically,in chlorophyll-$b$,there is a $-CHO$ (aldehyde) group instead of a $-CH_{3}$ (methyl) group at the third carbon atom in the second pyrrole ring.

Chlorophyll-$a$ and $b$ differ in having

Similar Questions

Which of the following absorbs light energy for photosynthesis?

$A$: Carotenoids protect plants from excessive heat and prevent photooxidation of chlorophyll.
$R$: Carotenoids enable a wider range of wavelengths of incoming light to be utilized for photosynthesis.

Carotenoids are made up of units of ......

Select the correct statement regarding the color of photosynthetic pigments:
$(1)$ Chlorophyll $a$ appears yellow-orange in color.

Which of the following represents the correct molecular formula of chlorophyll-$b$?

Vedclass Test Series

Exam Paper Generator

Online Exam Module