1.
Value of ln K for the reaction: Tollen's reagent (Ag+)(Ag^+) reacts with HCHO (in 30∘30^\circC) is approximately: (Given EAg+/Ag∘=+0.80E^\circ_{Ag^+/Ag} = +0.80 V, EHCHO/HCOO−∘=−0.33E^\circ_{HCHO/HCOO^-} = -0.33 V, T = 303 K)