1
IIT-JEE 1989
Subjective
+1
-0
Write down the balanced equation for the reaction when:
Potassium ferricyanide reacts with hydrogen peroxide in basic solution
2
IIT-JEE 1989
Subjective
+3
-0
n-Butane is produced by the monobromination of ethane followed by the Wurtz reaction. Calculate the volume of ethane at NTP required to produce 55 g n-Butane, if the bromination takes place with 90 percent yield and the Wurtz reaction with 85 percent yield.
3
IIT-JEE 1989
Subjective
+3
-0
The vapour pressure of a dilute aqueous solution of glucose (C6H12O6) is 750 mm of mercury at 373 K. Calculate (i) molality, and (ii) mole fraction of the solution.
4
IIT-JEE 1989
True or False
+1
-0
If the probability for $$A$$ to fail in an examination is $$0.2$$ and that for $$B$$ is $$0.3$$, then the probability that either $$A$$ or $$B$$ fails is $$0.5$$
A
TRUE
B
FALSE
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