1
IIT-JEE 1996
Subjective
+2
-0
Explain the difference in the nature of bonding in LiF and LiI.
2
IIT-JEE 1996
Subjective
+3
-0
The molar volume of liquid benzene (density = 0.877 g mL-1) increases by a factor of 2750 as it vaporises at 20oC and that of liquid toluene (density = 0.867 g mL-1) increases by a factor of 7720 at 20oC. A solution of benzene and toluene at 20oC has vapour pressure of 46.0 Torr. Find the mole fraction of benzene in the vapour above the solution.
3
IIT-JEE 1996
Subjective
+3
-0
The standard reduction potential for Cu2+|Cu is +0.34 V. Calculate the reduction potential at pH = 14 for the above couple. Ksp of Cu(OH)2 is 1.0 $$\times$$ 10-19
4
IIT-JEE 1996
Subjective
+3
-0
The ionisation constant of $$NH_4^+$$ in water is 5.6 $$\times$$ 10-10 at 25oC. The rate constant for the reaction of $$NH_4^+$$ and $$OH^-$$ to form NH3 and H2O at 25oC is 3.4 $$\times$$ 1010 L mol-1s-1. Calculate the rate constant for proton transfer from water to NH3.
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