MCQ
Oxygen is not evolved on reaction of ozone with
- A${H_2}{O_2}$
- ✓$S{O_2}$
- C$Hg$
- D$KI$
$3S{O_2} + {O_3} \to 3S{O_3}$
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$(A)$ $\left[ Ni \left( H _{2} O \right)_{2}( en )_{2}\right]^{2+}$
$(B)$ $\left[ Ni \left( H _{2} O \right)_{4}(\text { en })\right]^{2+}$ and
$(C)$ $\left[ Ni ( en )_{3}\right]^{2+}$ is ...... .
$V. P.$ of pure $B$ $p^o_B = 150\,mmHg$
A solution containing $2\,moles$ $A$ and $3\,moles$ $B$ will have total vapour pressure, approximately, on condensation ......... $mm$.