Q58.For the galvanic cell, Zn(s) + Cu2+(0. 02M) →Zn2+(0. 04M) + Cu(s) Ecell = … × 10−2 V (Nearest integer) : E0 Cu / Cu2+ = −0. 34 V, EZn / Zn2+ = +0. 76 V, 2.303F RT = 0. 059 V] [Use
What This Question Tests
This question combines the concept of ozonolysis of alkenes to form aldehydes with the calculation of molar mass from vapor density at STP, leading to the determination of the number of carbon atoms.
Concepts Tested
Formulas Used
PV = nRT
Molar Mass = Mass / Moles
📚 NCERT Sections This Tests
2.4 — Calculate The Standard Cell Potentials Of Galvanic Cell In Which The Following
Chemistry Class 11 · Chapter 2
2.4 Calculate the standard cell potentials of galvanic cell in which the following reactions take place: (i) 2Cr(s) + 3Cd2+(aq) ® 2Cr3+(aq) + 3Cd (ii) Fe2+(aq) + Ag+(aq) ® Fe3+(aq) + Ag(s) Calculate the DrGo and equilibrium constant of the reactions. 2.5 Write the Nernst equation and emf of the following cells at 298 K: (i) Mg(s)|Mg2+(0.001M)||Cu2+(0.0001 M)|Cu(s) (ii) Fe(s)|Fe2+(0.001M)||H+(1M)|H2(g)(1bar)| Pt(s) (iii) Sn(s)|Sn2+(0.050 M)||H+(0.020 M)|H2(g) (1 bar)|Pt(s) (iv) Pt(s)|Br–(0.010 M)|Br2(l )||H+(0.030 M)| H2(g) (1 bar)|Pt(s).
2.6 — In The Button Cells Widely Used In Watches And Other Devices The Following
Chemistry Class 11 · Chapter 2
2.6 In the button cells widely used in watches and other devices the following reaction takes place: Zn(s) + Ag2O(s) + H2O(l) ® Zn2+(aq) + 2Ag(s) + 2OH–(aq) Determine DrGo and Eo for the reaction.
2.3 — Depict The Galvanic Cell In Which The Reaction
Chemistry Class 11 · Chapter 2
2.3 Depict the galvanic cell in which the reaction Zn(s)+2Ag+(aq) ®Zn2+(aq)+2Ag(s) takes place. Further show: (i) Which of the electrode is negatively charged? (ii) The carriers of the current in the cell. (iii) Individual reaction at each electrode.
📋 Question Details
- Chapter
- Hydrocarbons
- Topic
- Ozonolysis of alkenes
- Year
- 2021
- Shift
- 26 Aug Shift 2
- Q Number
- Q58
- Type
- Numerical
- NCERT Ref
- Class 11 Chemistry Ch 13: Hydrocarbons
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