1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A magnetic moment at 1.73 BM will be shown by one among of the following
A
TiCl4
B
[CoCl6]4$$-$$
C
[Cu(NH3)4]2+
D
[Ni(CN)4]2$$-$$
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The value of Planck's constant is 6.63 $$ \times $$ 10$$-$$34 J s. The speed of light is 3 $$ \times $$ 1017 mm s$$-$$1. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of 6 $$ \times $$ 1015 s$$-$$1 ?
A
50
B
75
C
10
D
25
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which is the strongest acid in the following?
A
HClO4
B
H2SO3
C
H2SO4
D
HClO3
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
How many grams of concentrated nitric acid solution should be used to prepare 250 mL of 2.0 M HNO3? The concentrated acid is 70% HNO3.
A
70.0 g conc. HNO3
B
54.0 g conc. HNO3
C
45.0 g conc. HNO3
D
90.0 g conc. HNO3