What type of bond exists in a molecule of hydrogen iodide and what is the electronegative difference

Polar covalent bond, with a electonegative of 0.46

Explanation:

Hydrogen iodide (HI)is a diatomic molecule formed with covalent bonds between hydrogen and iodine atoms.  The molecule is a dipole since it has two electrical poles, the electron cloud is denser in one side. The electrons are not equally shared this type of bond is known as a polar covalent bond. This happens due to the difference in electronegativity, the bigger the difference the more polar will be the bond. Iodine has an electronegativity of 2.66 while hydrogen has a value of 2.2. The difference in electronegativity is 0.46 the strength is fairly enough to have a slightly polar character, thus the electron cloud is in the Iodine side.

a polar covalent bond, with a electonegativity difference between 0 and 1.7

Explanation:

from Chemistry castle learning

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.