How do you name HI?

The chemical name of the chemical compound HI is hydrogen iodide.

How do you write HI in chemistry?

Formula and structure: The chemical formula of hydroiodic acid (aq. hydrogen iodide) is HI. Its molar mass is 127.91 g/mol. Hydrogen iodide is the gaseous form, while hydroiodic acid is the aqueous solution of HI.

What type of element is HI?

Hydrogen is the lightest element. At standard conditions hydrogen is a gas of diatomic molecules having the formula H2. It is colorless, odorless, tasteless, non-toxic, and highly combustible.
Electrons per shell1
Physical properties
Phase at STPgas
Melting point(H2) 13.99 K ​(−259.16 °C, ​−434.49 °F)

What type of reaction is HI?

Chemical Reversibility

One example of a reversible reaction is the reaction of hydrogen gas and iodine vapor to form hydrogen iodide.

Is HI molecular compound?

Hydrogen iodide (HI) is a diatomic molecule and hydrogen halide. Aqueous solutions of HI are known as hydroiodic acid or hydriodic acid, a strong acid.

Is HI ionic or molecular?

HI is a covalent bond. Whether a bond is covalent is determined by electronegativity of the atoms of the molecule. If the electronegativity difference is higher than 1.7 then it will be more than 50% ionic.

Is HI acid or base?

Hydroiodic acid (or hydriodic acid) is an aqueous solution of hydrogen iodide (HI). It is a strong acid, one that is ionized completely in an aqueous solution.

What is the order of reaction in HI?

The order of the reaction is the exponent in the rate law. Thus, this is a second order reaction.

Why is HI considered an acid?

HI is considered an acid because on dissolving in an aqueous solution it dissociates into two ions (H+ and I) and anything that liberate proton ion in a solution considered as the acid in nature.

Is HI ionic?

Yes the compound is covalent! … The bond between HI is a polar covalent bond. It is because Hydrogen is electropositive in nature in comparison to Iodine.

Can HI be a base?

An aqueous solution of HI is considered to be a Bronsted – Lowry base.

Is HI a weak base?

As it turns out, there are very few strong acids, which are given in Table 12.2 “Strong Acids and Bases”. If an acid is not listed here, it is a weak acid. It may be 1% ionized or 99% ionized, but it is still classified as a weak acid.

Learning Objectives.
HClO 3Mg(OH) 2

Is HI a polar compound?

Hydrogen iodide, HI, has a net dipole moment of 0.38D. While not a large dipole moment (in comparison, water is 1.85D), it’s not zero. Therefore, HI is weakly polar.

Is HI a strong acid?

HCl, HBr, and HI are all strong acids, whereas HF is a weak acid. The acid strength increases as the experimental pKa values decrease in the following order: … Hydrochloric acid: Hydrochloric acid is a clear, colorless solution of hydrogen chloride (HCl) in water.

Is HI ionic polar or nonpolar?

Overall Polarity in molecules:

All heteronuclear diatomic molecules a non-polar. Hydrogen iodide (HI) Notice the symmetry of the molecule: When divided, the top and bottom as well as the left and right are not mirror images of one another. One also knows the molecule is polar because the bond is polar.

Is HI an element or compound?

iodine compounds

hydrogen iodide (HI), known as hydroiodic acid, is a strong acid that is used to prepare iodides by reaction with metals or their oxides, hydroxides, and carbonates.

Does HI have a dipole?

In this case, HCl, HBr and HI all have dipoles, but LDF forces appear to be more important in determining the boiling point than the relative dipole forces. SO2 is bent and polar while SO3, CH4 and CO2 are all non-polar. … Generally dipole-dipole forces are stronger than LDF forces.

Is the molecule HI Heteronuclear?

Heteronuclear Molecules

The chemical name of a heteronuclear diatomic molecule can be determined using the rules presented above. For example, consider HI, the molecule that is formed when hydrogen and iodine bond with one another.

What is HI formula?

Hydrogen iodide/Formula

Is HI soluble in water?

Hydrogen iodide/Soluble in

How many atoms are in the compound HI?

It has a total of 6 atoms: 2 carbon (C) atoms and 4 hydrogen (H) atoms. The atomic weight of carbon is 12; and that of hydrogen is 1, so one mer of ethylene has a weight of 2(12) + 4(1) = 28. We combine (react) many mers of ethylene together to form a polyethylene chain.