4. Write \"most\" under the one which would be most acidic. Write \"least\" unde

Question

4. Write "most" under the one which would be most acidic. Write "least" under the one which would be least acidic. CICH COH Cl,CCH2COH CH3CCl2COH Write "most" under the one which would be soluble in water. Write "least" under the one which would be least soluble in water. Heptanoic acid formic acid butanoic acid Write "lowest" under the compound with the lowest boiling point. Write "highest" under the compound with the highest boiling point. tanoic acid ite "most" under the one which would be most acidic. pentanol cyclohexane e "least" under the one which would be least acidic. benzoic acicd cyclohexanol

Explanation / Answer

Q4

A)

the nearest Cl2 groups are, the most acidic they bcome

therefore, from left to right

least acidic, second most acidic, most acidic

now...

B)

solubliility on water depends on polarity, then

heptanoic acid = 6 carbons + COOH

butanoic acid = 3 carbons + COOH

formic acid = H and COOH

the most polar and therefore, most soluble in water, least soluble in hexane = formic acid

middel is butanoic acid

the least polar and therefore, least soluble in water, most soluble in hexane = heptanoic acid

C)

BP depends mainly on Intermolcular forces, which depend on polarity/ total mass

cyclohexane --> lowest BP, since nonpolar

pentanol --> medium BP ; polar, also forms Hbonding

butanoic acid --> highest BP, since it is polar, forms stronger H bonds

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