1
IIT-JEE 1981
MCQ (Single Correct Answer)
+1
-0.25
A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of
A
sodium atoms
B
sodium hydride
C
sodium amide
D
solvated electrons
2
IIT-JEE 1981
Subjective
+1
-0
Give reasons of the following:
Sodium carbonate is made by Solvay process but the same process is not extended to the manufacture of potassium carbonate.
3
IIT-JEE 1981
Subjective
+3
-0
The vapour pressure of pure benzene is 639.7 mm of mercury and the vapour of a solution of a solute in benzene at the same temperature is 631.9 mm of mercury. Calculate this molality of the solution.
4
IIT-JEE 1981
Subjective
+2
-0
Show that : $$\mathop {\lim }\limits_{n \to \infty } \left( {{1 \over {n + 1}} + {1 \over {n + 2}} + .... + {1 \over {6n}}} \right) = \log 6$$
JEE Advanced Papers
EXAM MAP