Some Basic Concepts Of Chemistry Question 220

Question: The percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (atomic weight=78.4). Then minimum molecular weight of peroxidase anhydrous enzyme is [CBSE PMT 2001]

Options:

A) 1.568×104

B) 1.568×103

C) 15.68

D) 3.136×104

Show Answer

Answer:

Correct Answer: A

Solution:

0.5gm Se 100gm peroxidase anhydrous enzyme 78.4gm Se 100×78.40.5=1.568×104

Minimum m.w. molecule at least contain one selenium.



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