Question

1) hydrogen bonds are considered a strong attraction - true or false

2) polar covalent bonds resulting from atoms sharing electrons equally - true or false

Answer 1

1) the statement is False.

Hydrogen bond is considered as a weak bond which is formed between a proton in one molecule and the electronegative atom in the other molecule. Hydrogen bonds are weak bonds which can be broken easily.

2) The statement is False.

Polar covalent bonds are those covalent bonds which are formed between two elements which have large difference in electronegativity. As a result of which there is unequal electron sharing between the two atoms (electrons are much closer to more electronegative element). Therefore the more electronegtive element will develop a small positive charge and the less electronegative element will develop a small postive charge. Such a bond is said to be polar covalent bond (where the atoms are unequally shared between the atoms).

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