1
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order
K2CO3 (A), MgCO3 (B), CaCO3 (C), BeCO3 (D)
A
A < B < C < D
B
D < B < C < A
C
D < B < A < C
D
B < D < C < A
2
IIT-JEE 1996
Subjective
+2
-0
Explain the difference in the nature of bonding in LiF and LiI.
3
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.
4
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
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