1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Be2+ is isoelectronic with which of the following ions ?
A
H+
B
Li+
C
Na+
D
Mg2+
2
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
3
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
4
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