1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A reaction having equal energies of activation for forward and reverse reactions has
A
$$\Delta $$H = 0
B
$$\Delta $$H = $$\Delta $$G = $$\Delta $$S = 0
C
$$\Delta $$S = 0
D
$$\Delta $$G = 0
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the maximum numbers of electrons that can be associated with the following set of quantum numbers ?
n = 3, $$l$$ = 1 and m = $$-$$ 1
A
4
B
2
C
10
D
6
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
6.02 $$ \times $$ 1020 molecules of urea present in 100 mL of its solution. The concentration of solution is
A
0.001 M
B
0.1 M
C
0.02 M
D
0.01 M
4
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