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Mole Concept

Which of the ...

Question

Which of the following figures does not represent $1$ mole of dioxygen gas at STP?

A

16

grams of gas

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B

22.7

litres of gas

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C

6.022 \times 10^{23}

dioxygen molecules

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D

11.2

litres of gas

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Solution

The correct options are
A $16$ grams of gas
D $11.2$ litres of gas
Options A and D is not correct.
$1$ mole of $O_{2}$ at STP occupies $22.4$ litre volume, has molar mass= $32 g$ and contains $6.023 \times 10^{23}$ molecules of $O_{2} .$

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Similar questions

Which of the following figures does not represent 1 mole of dioxygen gas at STP?

(a) 16 g of gas (b) 22.4 L of gas

(c) 6.022 $\times 10^{23}$ dioxygen molecules (d) 11.2 L of gas

One mole of oxygen gas at STP is equal to...........

(a) $6.022 \times 10^{23}$ molecules of oxygen

(b) $6.022 \times 10^{23}$ atoms of oxygen

(c) 16 g of oxygen

(d) 32 g of oxygen

S T P

volume occupied by 11.2 grams of a gas of vapour density 11.2 in litres will be:

Q. Which of the following figures does not represent

1 m o l e

of oxygen gas at

S T P

?

Q. Assertion :8 grams of methane occupies 11.2 litres of volume at 273

K

a t m

pressure. Reason: One mole of any gas at

S T P

occupies 22.4 litres of volume.

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