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Se obtine acid benzoic prin reactiile:
a. C6H5CCl3 + 3H2O →
b. C6H5COO-CH3 + H2O →
c. C6H5COO-K+ + acid picric →
d. C6H5COO-Na+ + H2O + CO2 →
e. CH3COO-CH2-C6H5 + HOH →