STATEMENT-1: Line emission spectra are useful in the study of electronic structure.

STATEMENT-2: Each element has a unique line emission spectrum.

1. If both the statement are true and statement -2 is the correct explanation of statement 1

2. If both the statements are true but statement-2 is not the correct explanation of statement 1

3. If statement 1 is true and statement 2 is false

4. If statement 1 is false and statement 2 is true

Statement-1: Emitted radiation will fall in visible range when an electron jump from n=4 to n=2 in H-atom

Statement-2: Balmer series radiations belong to the visible range for hydrogen atoms only.

1.  If both the statement are true and statement -2 is the correct explanation of statement-1

2.  If both the statements are true but statement-2 is not the correct explanation of statement-1

3.  If statement-1 is true and statement-2 is false

4.  If statement-1 is false and statement-2 is true

Statement 1: The ground state electronic configuration of nitrogen is

Statement 2: Electrons are filled in orbitals as per the Aufbau principle, Hund's rule of maximum spin multiplicity, and Pauli's principle.

1.  If both the statement are true and statement -2 is the correct explanation of statement-1

2.  If both the statements are true but statement-2 is not the correct explanation of statement-1

3.  If statement-1 is true and statement-2 is false

4.  If statement-1 is false and statement-2 is true

Each questions contains STATEMENT-1 (Assertion) and STATEMENT2- (Reason).

Examine the statements carefully and mark the correct answer according to the instructions given below:

Statement-1: Orbital having xz plane as node may be 3d_xy.

Statement-2: 3d_xy has zero radial node.

1.  If both the statement are true and statement -2 is the correct explanation of statement-1

2.  If both the statements are true but statement-2 is not the correct explanation of statement-1

3.  If statement-1 is true and statement-2 is false

4.  If statement-1 is false and statement-2 is true