Properties and reactions of ozone (bond length, stability, oxidising nature)

1. A.
   128 pm
2. B.
   117 pm
3. C.
   107 pm
4. D.
   134 pm

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1. A.
   $\ O_{2}$ and $O_{3}$ are paramagnetic
2. B.
   The enthalpy change during the formation of $O_{3}$ from $O_{2}$ is positive
3. C.
   The entropy change in the formation of $O_{3}$ from $O_{2}$ is positive
4. D.
   $O_{3}$ is more stable than $O_{2}$

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1. A.
   It is strong reducing agent
2. B.
   It has angular shape
3. C.
   It is good bleaching agent
4. D.
   It absorbs harmful Ultraviolet radiation from the sun

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1. A.
   $178$ pm
2. B.
   $128$ pm
3. C.
   $256$ pm
4. D.
   $483$ pm

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1. A.
   $\mathrm{NO(g) + O_3(g) \longrightarrow NO_2(g) + O_2(g)}$
2. B.
   $\mathrm{2KI(aq) + H_2O(l) + O_3(g) \longrightarrow 2KOH(aq) + I_2(g) + O_2(g)}$
3. C.
   $\mathrm{H_2O_2(l) + O_3(g) \longrightarrow H_2O(l) + 2O_2(g)}$
4. D.
   $\mathrm{PbS(s) + 4O_3(g) \longrightarrow PbSO_4(s) + 4O_2(g)}$

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