Chemistry questions
29404 published questions with worked solutions.
- Cell reaction is spontaneous, when [MHTCET 2008]
- Cu^+(aq) is unstable in solution and undergoes simultaneous oxidation and reduction, according to the reaction, 2Cu^+(aq) Cu^ 2+...
- The amount of silver deposited on passing 2 F of electricity through aqueous solution of AgNO_3 is [MHTCET 2007]
- EMF of hydrogen electrode in terms of pH is (at 1 atm pressure). [MHTCET 2007]
- The standard E^ _ red values of A, B and C are +0.68 V, -2.54 V, -0.50 V respectively. The order of their reducing power is...
- The ionic conductance of Ba^ 2+ and Cl^- are respectively 127 and 76 ^ -1 ,cm^2 at infinite dilution. The equivalent conductance...
- The oxidation potential values of A, B, C and D are -0.03 V, +0.108 V, -0.07 V and +0.1 V respectively. The non-spontaneous cell...
- Reduction potentials of A, B, C and D are 0.8 V, 0.79 V, 0.34 V and -2.37 V, respectively. Which element displaces all the other...
- Standard electrode potential of cell H_2|H^+||Ag^+|Ag is [MHTCET 2004]
- The emf of a galvanic cell with electrode potential of Zn^ 2+ /Zn = -0.76 V and that of Cu^ 2+ /Cu = +0.34 V, is [MHTCET 2003]
- What is the ratio of the weights liberated at the cathode when the same current is passed through two solutions of ferric and...
- The emf of a galvanic cell, with electrode potentials of Zn = +0.76 V and that of Cu = -0.34 V, is [MHTCET 2001]
- When one Faraday current is passed, which of the following would deposit 1 g atomic weight of the metal? [MHTCET 2001]
- The atomic weight of Fe is 56. The weight of Fe deposited from FeCl_3 solution by passing 0.6 Faraday of electricity is [MHTCET...
- A firework gave bright crimson light. It is probably a salt of:
- Superphosphate of lime is a mixture of:
- Which chloride is covalent and soluble in ether?
- Calcium is obtained byNot in JEE Main or NEET syllabus
- The metal present in Grignard reagent is:
- Which alkaline earth metal forms peroxide on burning in air?Not in JEE Main or NEET syllabus