Question

At higher altitudes, people suffer from a disease called anoxic. In this disease, they become weak and cannot think clearly. (ii) when mercuric iodide is added to an aqueous solution of ki, the freezing point is raised.

Answer 1

at higher altitude the partial pressure of oxygen decrease which causes difficulty in breathing and less oxygenation of hemoglobin which results in tiredness.

2) the mercuric iodide has higher freezing temperature when added to aq. Sol of KI it overall increase freezing temperature of solution