An amphoteric oxide dissolves in HCl to form a salt. The salt does not impart any colour to the flame and fumes in moist air. The oxide is

Question

An amphoteric oxide dissolves in HCl to form a salt. The salt does not impart any colour to the flame and fumes in moist air. The oxide is

An amphoteric oxide dissolves in HCl to form a salt. The salt does not impart any colour to the flame and fumes in moist air. The oxide is
A. `BaSO_2`
B. MgO
C. BeO
D. CaO

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Be does not impart any colour to flame. Its oxide BeO is amphoteric in nature. With HCl it forms `Be_2.BeCl_2` fumes in moist air because of formation of HCl again.
`BeCl_2+2H_2OtoBe(OH)_2+2HCl`

5 views Answered 2023-02-05 15:29