Ozone tails mercury. This is due to the formation

HgO

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H g_{2} O_{2}

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H g_{2} O

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none of the above

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Solution

The correct option is A $HgO$
Tailing of mercury is the reaction of mercury with ozone due to which mercury loses its meniscus and it starts sticking to the walls of thermometer due to the formation of oxide ( $H g O$ ).

The meniscus can be restored by shaking it with water.

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Similar questions

Q. Is g-h > 0?
(I) g > h
(II)

g^{2} > h^{2}

Q. In spectrochemical series, chlorine is above water i.e.,

C l > H_{2} O

. This is due to:

Q. The formation of the oxide ion

O^{2 -}

involves first an exothermic step followed by an endothermic step as shown below:

O + e^{-} \to O^{-}; Δ H = - 142 k J m o l^{- 1}

O^{-} + e^{-} \to O^{2 -}; Δ H = 844 k J m o l^{- 1}

This is because :

Two planets have the same average density but their radii are $R_{1}$ and $R_{2}$ . If acceleration due to gravity on these planets be $g_{1}$ and $g_{2}$ respectively, then

H g O

is analysed by reaction with iodine and then titrating with an acid. The equivalent mass of

H g O

is :

H_{2} O + H g O + 4 I^{-} \to H g I_{4}^{2 -} + 2 O H^{-}

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Ozone tails mercury. This is due to the formation

The correct option is A HgOTailing of mercury is the reaction of mercury with ozone due to which mercury loses its meniscus and it starts sticking to the walls of thermometer due to the formation of oxide (HgO). The meniscus can be restored by shaking it with water.

The correct option is A $HgO$
Tailing of mercury is the reaction of mercury with ozone due to which mercury loses its meniscus and it starts sticking to the walls of thermometer due to the formation of oxide ( $H g O$ ).

The meniscus can be restored by shaking it with water.