Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Among the species A (CrCl 3 ), B (CuS), C (AlCl 3 ), D (ZnCl 2 ), which will be soluble in excess of NaOH ?
Text Solution
Verified by ExpertsThe correct answer is:
A
CrCl 3 + NaOH 
Cr(OH) 3 ↓ 
[Cr(OH 4 )] – (soluble)
AlCl 3 + NaOH 
Al(OH) 3 ↓ 
[Al(OH) 4 ] – (soluble)
ZnCl 2 + NaOH 
Zn(OH) 2 ↓ 
[Zn(OH) 4 ] 2– (soluble)
CuCl 2 + NaOH 
Cu(OH) 2 ↓ 
(not soluble in excess NaOH)
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