What occurs in dissociation
a. solute ions separate from solvent molecules.
b. solvent molecules surround solute ions
c. solvent molecules bind covalently to solvent molecules
d. ionic compounds are formed

- B. Solvent molecules surround solute ions.

Explanations:- When an ionic solute that has positive and negative ions is dissolved in a solvent like water then the solute ions are surrounded by the water molecules in a way so that the highly electron negative oxygen atom of water is towards the positively charged ion of the solute and less electron negative which is hydrogen atom that has partial positive charge, surrounds the negatively charged ion of the solute.

Due to these forces made by the solvent molecules, the solute is broken into the ions and get dissolved in solvent.

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2h2o2--> 2h2o + o2

this reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

add 2 molecules of hydrogen peroxide and 2 molecules of water. since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

this may not be entirely correct but let me know.