Question:
Match List-I with List-II.List-I
Alkali Metal List-II
Emission Wavelength
in nm (A) Li (I) 589.2 (B) Na (II) 455.5 (C) Rb (III) 670.8 (D) Cs (IV) 780.0
Choose the correct answer from the options given below:
Match List-I with List-II.
Choose the correct answer from the options given below:
| List-I Alkali Metal | List-II Emission Wavelength in nm |
|---|---|
| (A) Li | (I) 589.2 |
| (B) Na | (II) 455.5 |
| (C) Rb | (III) 670.8 |
| (D) Cs | (IV) 780.0 |
Updated On: Mar 21, 2025
- (A)-(I), (B)-(IV), (C)-(III), (D)-(II)
- (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
- (A)-(IV), (B)-(II), (C)-(I), (D)-(III)
- (A)-(II), (B)-(IV), (C)-(III), (D)-(I)
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The Correct Option is B
Solution and Explanation
This is a fact-based question regarding the emission wavelengths of alkali metals. The correct matches based on known data are:
(A) Li – (III) 670.8 nm
(B) Na – (I) 589.2 nm
(C) Rb – (IV) 780.0 nm
(D) Cs – (II) 455.5 nm
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