1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Calculate the energy in joule corresponding to light of wavelength 45 nm. (Planck,s constant, h = 6.63 $$ \times $$ 10$$-$$34 J s, speed of light, c = 3 $$ \times $$ 108 m s$$-$$1)
A
6.67 $$ \times $$ 1015
B
6.67 $$ \times $$ 1011
C
4.42 $$ \times $$ 10$$-$$15
D
4.42 $$ \times $$ 10$$-$$18
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following species has plane triangular shape ?
A
N3
B
NO3$$-$$
C
NO2$$-$$
D
CO2
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following molecules has the maximum dipole moment ?
A
CO2
B
CH4
C
NH3
D
NF3
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
For a given exothermic reaction, Kp and K'p are the equilibrium constants at temperatures T1 and T2, respectively. Assuming that heat of reaction is constant in temperature range between T1 and T2, it is readily observed that
A
Kp > K'p
B
Kp < K'p
C
Kp = K'p
D
Kp = $${1 \over {k{'_p}}}$$