1
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
If 100 mole of H2O2 decompose at 1 bar and 300 K, the work done (kJ) by one mole of O2(g) as it expands against 1 bar pressure is :

2H2O2(l)    $$\rightleftharpoons$$    2H2O(l) + O2(g)

(R = 8.3 J K $$-$$1 mol$$-$$1)
A
62.25
B
124.50
C
249.00
D
498.00
2
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An aqueous solution of a salt MX2 at certain temperature has a van’t Hoff factor of 2. The degree of dissociation for this solution of the salt is :
A
0.33
B
0.50
C
0.67
D
0.80
3
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The bond angle H - X - H is the greatest in the compound :
A
CH4
B
NH3
C
H2O
D
PH3
4
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Aqueous solution of which salt will not contain ions with the electronic configuration 1s22s22p63s23p6 ?
A
NaF
B
NaCl
C
KBr
D
CaI2
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