Question
Chemistry Question on introduction to organic chemistry
Match List-I with List-II.
**List-I (Metal) ** | List-II (Emitted light wavelength (nm)) |
---|---|
(A) Li | (I) 670.8 |
(B) Na | (II) 589.2 |
(C) Rb | (III) 780.0 |
(D) Cs | (IV) 455.5 |
Choose the most appropriate answer from the options given below:
A
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
B
(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
C
(A)-(III), (B)-(I), (C)-(II), (D)-(IV)
D
(A)-(IV), (B)-(II), (C)-(I), (D)-(III)
Answer
(A)-(I), (B)-(II), (C)-(III), (D)-(IV)
Explanation
Solution
The correct option is(A): (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
Metal | Li | Na | K | RB | Cs |
---|---|---|---|---|---|
Colour | Crimson-red | Yellow | Violet | Red violet | Blue |
λ/nm | 670.8 | 589.2 | 766.5 | 780.0 | 455.5 |