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JEE • CHEMISTRY • S-BLOCK ELEMENTS
S-block elements practice · Mixed difficulty
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Practice format and chapter quiz
These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.
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301
Easy
301 of 303
Remembering
+4 | -1
In Down’s method for the extraction of sodium, the melting point of the electrolyte is lowered by adding
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Correct option: C
Both calcium chloride and potassium fluoride
Option C (Both calcium chloride and potassium fluoride) is correct because the addition of both and KF lowers the melting point of NaCl in Down's process.
302
Medium
302 of 303
Understanding
+4 | -1
Which of the following strongest reducing agent in aqueous solution
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Correct option: B
Li
Option B (Li) is correct because, despite having a lower standard reduction potential compared to other alkali metals, Lithium is the strongest reducing agent in aqueous solution due to its high hydration energy.
303
Medium
303 of 303
Understanding
+4 | -1
A: IA Group elements are highly electropositive.
R: Valence electron present in s-orbital is loosely held.
R: Valence electron present in s-orbital is loosely held.
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Correct option: A
Both (A) and (R) are correct and (R) is the correct explanation of (A)
Option A is correct because both the assertion and reason are true, and the reason correctly explains why Group IA elements are highly electropositive.
Revision notes and key takeaways
Review S-BLOCK ELEMENTS in your textbook or class notes, then use this set to check your understanding.
Showing 301-303 of 303 questions