The number of Faradays (F) required to produce 20 g of calcium from molten CaCl_2 (Atomic mass of Ca = 40 g mol ^-1 ) is :
NEET 2020 · Easy
Match List-I with List-II. List-I (Conversion): (A) 1 mol of H_2O to O_2 , (B) 1 mol of MnO_4^- to Mn^2+ , (C) 1.5 mol of Ca from molten…
NEET 2024 · Medium
Mass in grams of copper deposited by passing 9.6487 A current through a voltameter containing copper sulphate solution for 100 seconds is:…
NEET 2024 · Easy
Calculate emf of the half cell given below: Pt(s)\,|\,H_2(g,\ 2\ atm)\,|\,HCl(aq,\ 0.02\ M) , E^_H^+/H_2=0 V (Given: 2.303RTF=0.059 ,…
NEET 2026 · Medium
The standard electrode potential ( E^ ) for the half-cell reaction Fe^3+ + e^- Fe^2+ at 298 K is (Given : E^(Fe^3+/Fe) = -0.04 V and…
RE-NEET 2026 · Medium
For a salt XY , which is a strong electrolyte, the plot of _m versus √(c) has a slope of -90.0\ S\,cm^2\,mol^-3/2\,L^1/2 at 298 K. At 0.01…
RE-NEET 2026 · Medium
