Calculate the energy change for the reaction K(g) + Br(g) → K+(g) + Br– (g) given the following ionization energy (IE) and electron affinity (EA) values.

the mass of the cathode increases because ions from the solution get reduced to atoms and become part of the cathode.

explanation:

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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.  

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