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JEE Main · 2019 · 12 Apr 2019 · Shift 2 · s-Block Elements

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The INCORRECT statement is:
  1. (A) decomposes on heating to give and .✓ Correct
  2. (B)Lithium is least reactive with water among the alkali metals.
  3. (C)LiCl crystallises from aqueous solution as .
  4. (D)Lithium is the strongest reducing agent among the alkali metals.

Answer: (A)

Solution

Lithium nitrate behaves like an alkaline-earth nitrate on heating: , giving the oxide, not . The remaining statements are genuine lithium anomalies, so the incorrect one is the claim that decomposes to and .

JEE Main · 2019 · 12 Apr 2019 · Shift 2 · Single correct option

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