A red solide is insoluble in water. However it becomes soluble if some KI is added to water. On heating the red solid in a test tube, there is liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is :

A red solide is insoluble in water. However it becomes soluble if some

1.	A red solide is insoluble in water. However it becomes soluble if some KI is added to water. On heating the red solid in a test tube, there is liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is :
Answer» <html><body><p>`HgO`<br/>`Pb_(3)O_(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)`<br/>`(NH_(4))_(2) Cr_(2)O_(7)`<br/>`Hgl_(2)`</p>Solution :The red solide is `Hgl_(2)` <br/> `underset(("Red solide"))(Hgl_(2)) + 2 <a href="https://interviewquestions.tuteehub.com/tag/kl-528180" style="font-weight:bold;" target="_blank" title="Click to know more about KL">KL</a> rarr underset(("soluble"))(K_(2) [Hgl_(4)])` <br/> `Hgl_(2) overset("<a href="https://interviewquestions.tuteehub.com/tag/heat-21102" style="font-weight:bold;" target="_blank" title="Click to know more about HEAT">HEAT</a>")rarr underset(("Droplets"))(Hg(l)) + underset(("<a href="https://interviewquestions.tuteehub.com/tag/violet-1446649" style="font-weight:bold;" target="_blank" title="Click to know more about VIOLET">VIOLET</a> fumes"))(I_(2)(g))`</body></html>