1
IIT-JEE 2003
Subjective
+2
-0
Two students use the same stock solution of ZnSO4 and solution of CuSO4. The emf of one cell is 0.03 V higher than other. The conc. of CuSO4 in the cell with higher emf value is 0.5 M. Find out the conc. of CuSO4 in the other cell (2.203 RT/F = 0.06)
2
IIT-JEE 2003
Subjective
+2
-0
1 gm of charcoal adsorbs 100 ml 0.5 M CH3COOH to form a monolayer, and thereby the molarity of CH3COOH reduces to 0.49. Calculate the surface area of the charcoal adsorbed by each molecule of acetic acid. Surface area of charcoal = 3.01 $$\times$$ 102 m2/gm.
3
IIT-JEE 2003
Subjective
+2
-0
Using VSEPR theory deduce the structures of PCl5 and BrF5
4
IIT-JEE 2003
Subjective
+2
-0
Wavelength of high energy transition of H-atoms is 91.2 nm. Calculate the corresponding wavelength of He atoms.
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