Question

The ratio between the number of atoms in equal volumes of oxygen and ozone under the same conditions is
1)3 : 2 2) 2 : 3 3) 1 : 1 4) 1 : 2

Answer 1

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1:1

$\mathfrak{\bf{\underline{\underline{Exᴘʟᴀɪɴᴀᴛɪᴏɴ \ :-}}}}$

➪From Avogadro's hypothesis volume is directly ‎ ‎ ‎ ‎ ‎ ‎proportional to the number of moles of gases at ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎constant temperature & pressure.

➪constant temperature & pressure.∴V∝n ( at constant T & P) here the nature of gas is not significant, only no. of moles matter.

➪i.e. no matter what are gases ( but it should behave ideally).

∴ For equal no. of moles of O2 and O3,

$\frac{vo2}{vo3} = \frac{no2}{no3} = \frac{1}{1}$

Answer 2

From Avogadro's hypothesis volume is directly proportional to the number of moles of gases at constant temperature & pressure.

∴V∝n ( at constant T & P) here the nature of gas is not significant, only no. of moles matter.

i.e. no matter what are gases ( but it should behave ideally).

∴ For equal no. of moles of O² and O³

V0²/V0³ = No²/No³

= 1/ 1

hope it's helpful ☺☺