1
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
2
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
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
According to Bohr's theory, the angular momentum of an electron in 5th orbit is
A
10 $$h/\pi$$
B
2.5 $$h/\pi$$
C
25 $$h/\pi$$
D
1.0 $$h/\pi$$
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
Uncertainty in the position of an electron (mass = 9.1 $$\times$$ 10-31 kg) moving with a velocity 300 ms-1, accurate upto 0.001% will be (h = 6.63 $$\times$$ 10-34 Js)
A
1.92 $$\times$$ 10-2 m
B
3.84 $$\times$$ 10-2 m
C
19.2 $$\times$$ 10-2 m
D
5.76 $$\times$$ 10-2 m
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12