26 g of acetylene gas is passed through hot Fe tube. Then the number of molecules of benzene obtained are

2 x 10²³

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3 x 10²³

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4 x 10²³

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6 x 10²³

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Solution

The correct option is A
2 x 10²³

26 g of acetylene = 1 mole = $6 \times 10^{23}$ molecules

3 moleccules of acetylene gives 1 benzene molecule

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