MCQ
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
  • $1.568 \times {10^4}$
  • B
    $1.568 \times {10^3}$
  • C
    $15.68$
  • D
    $3.136 \times {10^4}$

Answer

Correct option: A.
$1.568 \times {10^4}$
a
(a) $0.5\,gm$ $Se$ $ \to $ $100\,gm $ peroxidase anhydrous enzyme $78.4\,gm$ $Se$ $ \to \frac{{100 \times78.4}}{{0.5}} = 1.568 \times {10^4}$

Minimum m.w. $ \to $molecule at least contain one selenium.

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