Number of amphoteric compounds among the following is ________.
(A) BeO
(B) BaO
(C) Be(OH)2
(D) Sr(OH)2
Answer (integer)
2
Solution
An amphoteric compound is a molecule or ion that can react with both as an acid or as a base.<br/><br/>BeO = Amphoteric<br/><br/>BaO = Basic<br/><br/>Be(OH)<sub>2</sub> = Amphoteric<br/><br/>Sr(OH)<sub>2</sub> = Basic<br/><br/>Both beryllium compound BeO and Be(OH)<sub>2</sub> are amphoteric in nature while compound BaO and Sr(OH)<sub>2</sub> are basic in nature, they form alkaline solution in H<sub>2</sub>O.
About this question
Subject: Chemistry · Chapter: Periodic Table and Periodicity · Topic: Periodic Trends
This question is part of PrepWiser's free JEE Main question bank. 131 more solved questions on Periodic Table and Periodicity are available — start with the harder ones if your accuracy is >70%.