What happens when HI is added to water?

With moist air, HI gives a mist (or fumes) of hydroiodic acid. It is exceptionally soluble in water, giving hydroiodic acid. One liter of water will dissolve 425 liters of HI gas, the most concentrated solution having only four water molecules per molecule of HI.

Can HI dissolve in water?

WaterHydrogen iodide / Soluble inWater is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth’s hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides neither food, energy, nor organic micronutrients. Wikipedia

What is hydriodic acid used for?

Hydriodic Acid is a colorless to pale yellow liquid. It is used as a disinfectant, analytical reagent, raw material for pharmaceuticals, and to make Iodine salts.

Does HBr dissociate in water?

Hydrobromic acid dissociates into the hydrogen and bromide ions in contact with water. As an inorganic substance HBr is expected to partition to water.

What ions are formed when HI is dissolved in water?

On dissolving HI in water, it dissociates into its ions. The equation for its dissociation in the solution is given as follows. In the above reaction, HI dissociates to give hydrogen ions (H+) in the solution. Therefore, according to Arrhenius theory, it is an acid.

Why HF is soluble in water?

Hydrogen fluoride is a liquid, and so it can be described as miscible with water. HF is a weak acid, but its high solubility can be explained by the high polarity of the H-F bond and the ability of HF to be both a hydrogen bond donor and accepter. Hydrogen iodide is a gas at room temperature.

How is hydriodic acid made?

Hydriodic acid can be produced by combining iodine crystals with water and some form of phosphorus, including red phosphorus, hypophosphorous acid, or phosphorous acid.

How does HBr react in water?

A colorless gas, it dissolves in water, forming hydrobromic acid, which is saturated at 68.85% HBr by weight at room temperature. Aqueous solutions that are 47.6% HBr by mass form a constant-boiling azeotrope mixture that boils at 124.3 °C.

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