1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
In the reaction

2Al(s) + 6HCl(aq) $$\to$$ 2Al3+ (aq) + 6Cl-(aq) + 3H2(g)
A
11.2 L H2(g) at STP is produced for every mole HCl(aq) consumed
B
6 L HCl(aq) is consumed for every 3L H2(g) produced
C
33.6 L H2(g) is produced regardless of temperature and pressure for every mole that reacts
D
67.2 H2(g) at STP is produced for every mole Al that reacts
2
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
How many moles of magnesium phosphate Mg3(PO4)2 will contain 0.25 mole of oxygen atoms?
A
1.25 $$\times$$ 10-2
B
2.5 $$\times$$ 10-2
C
0.02
D
3.125 $$\times$$ 10-2
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Density of a 2.05M solution of acetic acid in water is 1.02 g/mL The molality of the solution is
A
2.28 mol kg-1
B
0.44 mol kg-1
C
1.14 mol kg-1
D
3.28 mol kg-1
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Two solutions of a substance (non electrolyte) are mixed in the following manner. 480 ml of 1.5 M first solution + 520 ml of 1.2 M second solution. What is the molarity of the final mixture?
A
2.70 M
B
1.344 M
C
1.50 M
D
1.20 M
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