Match List – I with List – II
List – I (salt) List – II (Flame colour wavelength)
(a) LiCl (i) 455.5 nm
(b) NaCl (ii) 670.8 nm
(c) RbCl (iii) 780.0 nm
(d) CsCl (iv) 589.2 nm
Choose the correct answer from the options given below:
Match List – I with List – II
List – I (salt) List – II (Flame colour wavelength)
(a) LiCl (i) 455.5 nm
(b) NaCl (ii) 670.8 nm
(c) RbCl (iii) 780.0 nm
(d) CsCl (iv) 589.2 nm
Choose the correct answer from the options given below:
Option 1 -
(a) – (ii), (b) – (iv), (c) – (iii), (d) – (i)
Option 2 -
(a) – (ii), (b) – (i), (c) – (iv),(d) – (iii)
Option 3 -
(a) – (i), (b) – (iv), (c) – (ii), (d) – (iii)
Option 4 -
(a) – (iv), (b) – (ii), (c) – (iii), (d) – (i)
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1 Answer
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Correct Option - 1
Detailed Solution:Li -> Crimson Red
Na -> Yellow
Rb -> Red violet
Cs -> Blue
VIBGYOR
Wavelength
Red violet > Crimson Red > Yellow > Blue
780 nm 670.8 nm 589.2 nm 455.5 nm
Similar Questions for you
Li+ has the highest hydration enthalpy.
Hence it is most hydrated
Therefore, Correct order of hydrated radii is Cs+ < Rb+ < K+ < Na+ < Li+
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