A metal ‘M’ reacts with sodium hydroxide to give a white precipitate ‘X’ which is soluble…

Chemistry · JEE Main · NTA Examsp-Block Elements

A metal ‘M’ reacts with sodium hydroxide to give a white precipitate ‘X’ which is soluble in excess of NaOH to give ‘Y’. Compound ‘X’ is soluble in HCl to form a compound ‘Z’. Identify ‘M’, ‘X’, ‘Y’ and ‘Z’.
M X Y Z
  1. Si SiO2 Na2SiO3 SiCl4
  2. Al Al(OH)3 NaAlO2 AlCl3
  3. Mg Mg(OH)3 NaMgO3 MgCl2
  4. Ca Ca(OH)2 Na2CO3 NaHCO3

Answer

(B) Al Al(OH) 3 NaAlO 2 AlCl 3

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