7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

[Given :  ${E^0}_{Zn/Z{n^{ + 2}}} = 0.76\,V,$

${E^0}_{Cu/C{u^{ + 2}}} =  - 0.34\,V,\,\frac{{2.303\,RT}}{F} = 0.06,\log 2 = 0.30]$

Select the incorrect option is

$E_a\ (Kcal/mol)\,||$ Temp.  Change $(K)$ 

$(I)$ $40\,||\,200\, -\, 210$  

$(II)$ $80\,||\,200 \,-\, 210$ 

$(III)$ $40\,||\,300\, -\, 310$

$(IV)$ $80\,||\,300\, -\, 310$

${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$

which of the following statements is true