JEE Main 202124 FebruaryEvening Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 24 February
- Shift
- Evening Shift
- Subject
- Chemistry
- Chapter
- s Block Elements
JEE Main 2021 · 24 February · Evening Shift · Chemistry · s Block Elements
Match List - I with List - II. List-I (Salt) List-II (Flame colour...
Match List - I with List - II.
| List-I (Salt) | List-II (Flame colour wavelength) | ||
| (a) | (i) | ||
| (b) | (ii) | ||
| (c) | (iii) | ||
| (d) | (iv) | ||
Choose the correct answer from the options given below:
Options
- A(a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
- B(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
- C(a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
- D(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
Correct answer
D. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
Step-by-step solution
Range of visible region: 390 nm – 760 nm
VIBGYOR
Violet – Red
LiCl Crimson Red
NaCl Golden yellow
RbCl Violet
CsCl Blue
So, LiCl which is crimson have wavelengths close to red in the spectrum of visible region which is as per given data.