1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Identify the incorrect statement from the following.

A
All the five 5d orbitals are different in size when compared to the respective 4d orbitals.
B
All the five 4d orbitals have shapes similar to the respective 3d orbitals.
C
In an atom, all the five 3d orbitals are equal in energy in free state.
D
The shapes of dxy, dyz and dzx orbitals are similar to each other; and dx2 $$-$$ y2 and dz2 are similar to each other.
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

If radius of second Bohr orbit of the He+ ion is 105.8 pm, what is the radius of third Bohr orbit of Li2+ ion?

A
158.7 pm
B
15.87 pm
C
1.587 pm
D
158.7 $$\mathop A\limits^o $$
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
A particular station of All India Radio, New Delhi broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter is : [speed of light c = 3.0 $$\times$$ 108 ms$$-$$1]
A
21.92 cm
B
219.3 m
C
219.2 m
D
2192 m
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
From the following pairs of ions which one is not an iso-electronic pair?
A
Fe2+, Mn2+
B
O2$$-$$, F$$-$$
C
Na+, Mg2+
D
Mn2+, Fe3+
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12