In comparison to the zeolite process for the removal of permanent hardness, the synthetic resins method is

Options

A. More efficient as it can exchange both cations as well as anions
B. Less efficient as it exchanges only anions
C. More efficient as it can exchange only cations
D. Less efficient as the resins cannot be regenerated

Answer

A

Explanation

cu is below `H_2` in electrochemical series. Thus Cu can not be oxidized by HCl .