1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
To neutralise completely 20 mL of 0.1 M aqueous solution of phosphorous acid (H3PO3), the volume of 0.1 M aqueous KOH solution required is
A
40 mL
B
20 mL
C
10 mL
D
60 mL
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The ammonia evolved from the treatment of 0.30 g of an organic compound for the estimation of nitrogen was passed in 100 mL of 0.1 M sulphuric acid. The excess of acid required 20 mL of 0.5 M sodium hydroxide solution for complete neutralization. The organic compound is
A
urea
B
benzamide
C
acetamide
D
thiourea
3
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (atomic mass = 10.8) from the reduction of boron trichloride by hydrogen?
A
67.2 L
B
44.8 L
C
22.4 L
D
89.6 L
4
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
25 ml of a solution of barium hydroxide on titration with a 0.1 molar solution of hydrochloric acid gave a litre value of 35 ml. The molarity of barium hydroxide solution was
A
0.14
B
0.28
C
0.35
D
0.07
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