For the following reactions, equilibrium constants are given :

S(s) + O₂(g) ⇋ SO₂(g); K₁ = 10⁵²

2S(s) + 3O₂(g) ⇋ 2SO₃(g); K₂ = 10¹²⁹

The equilibrium constant for the reaction,

2SO₂(g) + O₂(g) ⇋ 2SO₃(g) is :

The major product in the following reaction is :

Calculate the standard cell potential in (V) of the cell in which following reaction takes place :

Fe²⁺(aq) + Ag⁺(aq) $$ \to $$ Fe³⁺(aq) + Ag (s)

Given that

$$E_{A{g^ + }/Ag}^o = xV$$

$$E_{Fe^{2+ }/Fe}^o = yV$$

$$E_{Fe^{3+ }/Fe}^o = zV$$

In an ellipse, with centre at the origin, if the difference of the lengths of major axis and minor axis is 10 and one of the foci is at (0,5$$\sqrt 3$$), then the length of its latus rectum is :