1
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
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
Which of the following is paramagnetic?
A
CN$$-$$
B
NO+
C
CO
D
O2$$-$$
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is electron-deficient ?
A
(BH3)2
B
PH3
C
(CH3)2
D
(SiH3)2