Popular Questions
- Which of the following species contain an element in an oxidation state that is not a whole number?
- If Cl2 is passed through hot aqueous NaOH, the products formed have Cl in different oxidation states. These are indicated as
- in the redox reaction
- The oxidation state and covalency of Al in [AlCl (H2O)5 ]2+ respectively are
- In which of the following, oxidation number of chlorine is + 5 ?
- The coefficients of I -/3 and H + in the redox reaction
- The oxidation number and the electronic configuration of sulphur in H2 SO4 is
- the resistance of 1N solution of acetic acid is 250, when measured in a cell having a cell constant of 1.15 cm^-1. The equivalent ..
- The one which decreases with dilution is
- Given the limiting molar conductivity as
- The molar conductivities of KCl, NaCl and KNO3 are 152, 128 and 111 S cm^2mo1^-1 respectively. What is the molar conductivity of N..
- Which one of the following solutions will have highest conductivity?
- Which of the following electrolytic solutions has the least specific conductance?
- Which of the following does not conduct electricity?
- For strong electrolytes the plot of molar conductance vs root C is
- The units of equivalent conductance, are
- Pure water does not conduct electricity because it is
- What is the effect of dilution on the equivalent conductance of strong electrolyte ?
- Given. L/a = 0.5 cm^-1, R = 50 ohm, N = 1.0 . The equivalent conductance of the electrolytic cell is
- Impure copper containing Fe, Au, Ag as impurities is electrolytically refined. A current of 140 A for 482.5s and decreased the mas..
- When 9.65 C of elecricity is passed through a solution of silver nitrate (atomic mass of Ag =108 g mol^-1) , the amount of silver ..
- Silver is monovalent and has an atomic mass of 108. Copper is divalent and has an atomic mass of 63.6. The same electric current i..
- The approximate time duration in hours to electroplate 30g of calcium from molten calcium chloride using a current of 5 A is (At. ..
- Read the following statetnent and predict the corresponding law? At infinite dilution when dissociation is complete, each ion make..
- 9.65 C of electric current is passed through fused anhydrous MgCl2 . The magnesium metal thus obtained is completely converted int..
- What will be pH of aqueous solution of electrolyte in electrolytic cell during electrolysis of CuSO4 (aq) between graphite electro..
- Two different electrolytic cells filled with molten Cu (NO3 )2 and molten Al(NO3 )3 respectively are connected in series. When ele..
- Give the products available on the cathode and the anode respectively during the electrolysis of an aqueous solution of MgSO4 betw..
- A solution of CuSO4 is electrolysed for 10 min with a current of 1.5 A. What is the mass of copper deposited at the cathode?
- In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current t..
- If F is Faraday and N is Avogadro number, then charge of electron can be expressed as
- The amount of substance deposited by the passage of lA of current for 1 s is equal to
- When a quantity of electricity is passed through CuSO4 solution, 0.16 g of copper gets deposited. If the same quantity of electric..
