What does it mean for a weak acid to be in equilibrium?

a) the acids only slightly dissociate and readily undergo reverse reaction.

b)the position of equilibrium in weak acids lies more to the right than to the left.

c)at equilibrium there is a small amount of ha and more a- and h+

d) at equilibrium there is the same amount of ha, a- and h+

answer: option (b) is the correct answer.

explanation:

a covalent bond is formed by sharing of electrons. whereas polarity arises due to difference in electronegativity of two atoms.

therefore, more is the electronegativity of an atom which combines with the titanium, more readily it will induce a partial positive and negative charge.

thus, out of the given options fluorine is most electronegative and has an incomplete octet. therefore, it will readily combine with titanium to share the electrons and complete its octet.  

the correct answer is:

a. formation of precipitation