Questions in electrochemistry

Select	Question
	Which of the following has been universally accepted as a reference electrode at all temperatures and has been assigned as value of zero volt
	The oxidation potential of a hydrogen electrode at $pH = 10$ at $1 atm$
	The name of equation showing relation between electrode potential (e), standard electrode potential $({{E}^{0}})$ and concentration of ions in solution is
	The correct representation of Nernst’s equation is
	What is ${{E}^{0}}$ for electrode represented by Pt, ${{O}_{2}}\,(1atm)/2{{H}^{+}}(\operatorname{Im})$
	${{E}_{0}}=\frac{RT}{nF}\ln {{K}_{eq}}$. This is called
	A standard hydrogen electrode has zero electrode potential because
	Nernst equation is related with
	${{E}^{0}}$ of a cell $aA+bB\to cC+dD$ is
	The relationship between standard reduction potential of cell and equilibrium constant is shown by