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s Block Elements

2 questions from 2024

Q1.JEE Main 2024 6th April Evening ShiftMCQ Single ChoiceEasy
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:
Q2.JEE Main 2024 29th Jan Morning Shift MCQ Single ChoiceMedium
Identify the incorrect pair from the following: