In which reaction is the underlined substance acting as a base?

A HNO3 + H2SO4 → H2NO3+ + HSO4-

B HSiO3- + HCN → CN- + H2O + SiO2

C HNO2 + HCO3- → H2O + CO2 + NO2-

D C6H5O- + CH2ClCO2H → C6H5OH + CH2ClCO2-

Solution

Correct Answer: Option C

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