What of the following option(s) is/are correct about ozone?

Enthalpy of formation of

O_{3} (g)

is positive

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It is a pale blue gas with a characteristic strong smell and has an odd electron which makes it paramagnetic

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It is soluble in turpentine oil and glacial acetic acid

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S n C l_{2} + 2 H C l + O_{3} \to S n C l_{4} + O_{2} + H_{2} O

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Solution

The correct option is C It is soluble in turpentine oil and glacial acetic acid
a) Enthalpy of formation of $O_{3}$ is $142.7 k J / m o l$
b) Ozone is a pale blue gas with a characteristic strong smell but it is diamagnetic and has no unpaired electron.
c) It is soluble in turpentine oil and glacial acetic acid.
d) $3 S n C l_{2} + 6 H C l + O_{3} \to 3 S n C l_{4} + 3 H_{2} O$

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