1
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
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In the coordination compound, K4[Ni(CN)4], the oxidation state of nickel is :
A
0
B
+1
C
+2
D
-1
2
AIEEE 2003
MCQ (Single Correct Answer)
+4
-1
The pair of species having identical shapes for molecules of both species is
A
XeF2, CO2
B
BF3, PCl3
C
PF5, IF5
D
CF4, SF4
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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