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47. Which of the following metal do not evolve H2 gas from dilute acid options are A(E^° A+/A=0.25V),B(E^° B/B+=0.22V),C(E^° C+/C=-0.30V),D(E^° D/D+=0.44V)

Answer» 47. Which of the following metal do not evolve H2 gas from dilute acid options are A(E^° A+/A=0.25V),B(E^° B/B+=0.22V),C(E^° C+/C=-0.30V),D(E^° D/D+=0.44V)


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