According to the equation,

$n C H_{2} = C H_{2} \to (- C H_{2} - C H_{2} -)_{n}$ .

When $100$ g of ethylene polymerises to polyethylene, then the weight of polyethylene produced will be:

\frac{n}{2}

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100

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\frac{100}{n}

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100 n

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Solution

The correct option is A $100$ g
According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
Here all the ethylene molecules are converted into polyethylene.
Hence, 100 g of ethylene will form 100 gm of polyethylene.

Hence, option B is correct,

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