1
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The distillation technique most suited for separating glycerol from spent-lye in the soap industry is :
A
Simple distillation
B
Fractional distillation
C
Steam distillation
D
Distillation under reduced pressure
2
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The reaction of zinc with dilute and concentrated nitric acid, respectively, produces :
A
NO2 and NO
B
NO and N2O
C
NO2 and N2O
D
N2O and NO2
3
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The equilibrium constant at 298 K for a reaction A + B $$\leftrightharpoons$$ C + D is 100. If the initial concentration of all the four species were 1M each, then equilibrium concentration of D (in mol L–1) will be:
A
0.818
B
1.818
C
1.182
D
0.182
4
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The heats of combustion of carbon and carbon monoxide are –393.5 and –283.5 kJ mol–1, respectively. The heat of formation (in kJ) of carbon monoxide per mole is :
A
676.5
B
-676.5
C
–110
D
110.5
JEE Main Papers
2023
2021
EXAM MAP