1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
For a sample of perfect gas when its pressure is changed isothermally from pi to pf, the entropy change is given by
A
$$\Delta S = nR\,\ln \left( {{{{p_f}} \over {{p_i}}}} \right)$$
B
$$\Delta S = nR\,\ln \left( {{{{p_i}} \over {{p_f}}}} \right)$$
C
$$\Delta S = nRT\,\ln \left( {{{{p_f}} \over {{p_i}}}} \right)$$
D
$$\Delta S = RT\,\ln \left( {{{{p_i}} \over {{p_f}}}} \right)$$
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) ina 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 $$ \times $$ 10$$-$$9) is
A
0.0060%
B
0.013%
C
0.77%
D
1.6%
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following fluro-compounds is most likely to behave as a Lewis base ?
A
BF3
B
PF3
C
CF4
D
SiF4
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Which among the given molecules can exhibit tautomerism?
NEET 2016 Phase 2 Chemistry - Some Basic Concepts of Organic Chemistry Question 95 English
A
III only
B
Both I and III
C
Both I and II
D
Both II and III
EXAM MAP