Question

Chlorophyll has ................ in its centre.

• A. iron
• B. magnesium
• C. copper
• D. sulphur

Answer 1

Answer: (B)

magnesium

Answer 2

Chlorophyll has magnesium in its centre. The chlorophylls are basically chelate salts of magnesium (Mg). The chlorophyll-a has a molecular formula $C_{55}H_{72}O_5N_4Mg$. Chlorophyll molecule is distinguishable into head of size $15 \times 15$? and a tail o f $20 ?$ length. The head is made up ofporphyrin (a tetrapyrolle closed rings derivative) and the tail of phytol