Tailing of mercury test can be used for which of the following gas?

Tailing of mercury test can be used for which of the following gas?
  1. Dioxygen
  2. Dihydrogen
  3. Dinitrogen
  4. Ozone

Solution

When ozone is passed through mercury, it loses its meniscus and sticks to the glass due to the formation of mercurous oxide So, mercury when starts moving on a Surface it leaves a tail and thes is what tailing of mercury is called. .

Asked in: JEE-TOPICTESTS-CHEMISTRY

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