1
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

The energy of an electron in the ground state $$\mathrm{(n=1)}$$ for $$\mathrm{He}^{+}$$ ion is $$\mathrm{-x} \mathrm{~J}$$, then that for an electron in $$\mathrm{(n=2)}$$ state for $$\mathrm{Be}^{3+}$$ ion in $$\mathrm{J}$$ is

A
$$-x$$
B
$$-\frac{x}{9}$$
C
$$-4 x$$
D
$$-\frac{4}{9} x$$
2
NEET 2024
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II.

List I
(Quantum Number)
List II
(Information provided)
A. $$\mathrm{m_l}$$ I. Shape of orbital
B. $$\mathrm{m_s}$$ II. Size of orbital
C. I III. Orientation of orbital
D. n IV. Orientation of spin of electron

Choose the correct answer from the options given below :

A
A-I, B-III, C-II, D-IV
B
A-III, B-IV, C-I, D-II
C
A-III, B-IV, C-II, D-I
D
A-II, B-I, C-IV, D-III
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Incorrect set of quantum numbers from the following is :

A
$$\mathrm{n}=4,1=3, \mathrm{~m}_1=-3,-2,-1,0,+1,+2,+3, \mathrm{~m}_{\mathrm{s}}=-1 / 2$$
B
$$\mathrm{n}=5,1=2, \mathrm{~m}_1=-2,-1,+1,+2, \mathrm{~m}_{\mathrm{s}}=+1 / 2$$
C
$$\mathrm{n}=4,1=2, \mathrm{~m}_1=-2,-1,0,+1,+2, \mathrm{m}_{\mathrm{s}}=-1 / 2$$
D
$$\mathrm{n}=5,1=3, \mathrm{~m}_1=-3,-2,-1,0,+1,+2,+3, \mathrm{m_s}=+1 / 2$$
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements:

Statement I : The value of wave function, $$\psi $$ depends upon the coordinates of the electron in the atom.

Statement II : The probability of finding an electron at a point within an atom is proportional to the orbital wave function.

In the light of the above statements, choose the correct answer from the options given below:

A
Statement I is true but Statement II is false.
B
Statement I is false but Statement II is true.
C
Both Statement I and Statement II are true.
D
Both Statement I and Statement II are false.
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