What might be the result if you did not grind the two initial reactants sufficiently?

A. Yield would decrease, but purity would not be affected.
B. Both yield and purity would decrease.
C. Yield would not be affected, but purity would be decreased.
D. Neither yield nor purity would be affected.

Option A) Yield would decrease, but purity would not be affected.

Explanation:

Sufficient grinding of the two initial reactants will provide a wider surface area for the reactants particles to combine more rapidly, forming products that still retain the purity.

On the other hand, when reactants are not properly grinded the yield of products decrease due to lesser surface area between reactants particles, while the purity of product formed is unaffected.

Thus, the answer is option A

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c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.