Chemistry questions
29404 published questions with worked solutions.
- The units of molar conductance are
- The units of equivalent conductance are
- Variation of equivalent conductance with temperature is that it
- Specific conductance for one molar aqueous solution is more for
- The value of molar conductivity of HCl is greater than that of NaCl at a particular temperature because
- The specific conductance in ohm^ -1 ,cm^ -1 of four electrolytes P, Q, R and S are given = P (5.0 10^ -5 ), R (1.0 10^ -10 ), Q...
- The specific conductance at 298 K of AgCl solution in water was determined to be 1.826 10^ -6 ohm^ -1 ,cm^ -1 . The ionic...
- The decrease in conductance of a concentrated solution due to increased frictional resistance is governed by
- 20.0 g of chlorine are evolved in 6 hours from sodium chloride by the current of
- On passing 96,500 coulombs of electricity which of the following metal salt solution will liberate one gram atom of metal?
- A current of c amperes was passed through a solution of an electrolyte for t seconds when Q grams of an element was deposited on...
- In the electrolysis of H_2SO_4 , 0.2 gram of hydrogen produces, hence the weight of another substance produce is
- If m represents mass of substance (equivalent weight E) consumed or produced when quantity Q of electricity is passed
- How many coulombs are liberated during the oxidation of 1 mol of H_2O to O_2 ?
- How many coulombs are required for the produce 54 grams of aluminium from molten Al_2O_3 ? (Eq. wt of Al = 9)
- 22.4 dm^3 of hydrogen at S.T.P. weighs :
- How many coulombs are required for the reduction of 1 mol of MnO_4^- to Mn^ 2+ ?
- The no. of coulombs required to liberate 0.224 dm^3 of chlorine at 0^ and 1 atm passed are :
- On passing one faraday of electricity through molten lead (II) bromide, amount of bromine obtained is
- One faraday of electricity will liberated one gram atom of the metal from the solution of