1
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
2
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following atoms has the highest first ionization energy?
A
Na
B
K
C
Sc
D
Rb
3
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following statements about water is FALSE?
A
Water is oxidized to oxygen during photosynthesis
B
Water can act both as an acid and as a base.
C
There is extensive intramolecular hydrogen bonding in the condensed phase.
D
Ice formed by heavy water sinks in normal water
4
JEE Main 2016 (Offline)
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The main oxides formed on combustion of Li, Na and K in excess of air are, respectively :
A
LiO2, Na2O2 and K2O
B
Li2O2, Na2O2 and KO2
C
Li2O, Na2O2 and KO2
D
Li2O, Na2O and KO2
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