JEE Main 2021 — S Block Elements Question with Solution
From: JEE Main 2021 (Online) 27th July Evening Shift
Question
Match List - I with List - II :
Choose the correct answer from the options given below :
| List - I | List - II | ||
|---|---|---|---|
| (a) | Li | (i) | photoelectric cell |
| (b) | Na | (ii) | absorbent of |
| (c) | K | (iii) | coolant in fast breeder nuclear reactor |
| (d) | Cs | (iv) | treatment of cancer |
| (v) | bearings for motor engines |
Choose the correct answer from the options given below :
Choose an option
Show full solutionCorrect option: D
Correct answer
D(a) - (v), (b) - (iii), (c) - (ii), (d) - (i)
Step-by-step explanation
Li makes alloy with Lead to make white metal bearings for motor engines
Liquid Na metal is used s coolant in fast breeder nuclear reactor
K is a very absorbent of CO2
Cs is used in making photoelectric cell
Liquid Na metal is used s coolant in fast breeder nuclear reactor
K is a very absorbent of CO2
Cs is used in making photoelectric cell
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This is a previous-year question from JEE Main 2021, covering the S Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.