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QuynhNhu112
2 tháng trước

Axit nào sau đây dễ bay hơi. A. H2SO3 B. H2SO4 C. HCl D. HNO3 Em cần cái giải thích, shin cám ơn

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funeuvu
2 tháng trước

Đáp án:

`A`

Giải thích các bước giải:

`-` Loại `B, C, D` vì chúng đều là axit mạnh

`-> Chọn` `A` vì `H_2 SO_3` là axit yếu, kém bền, dễ bị phân hủy 

`H_2 SO_3 -> SO_2↑ + H_2 O`

Trần Tuấn
2 tháng trước

Axit nào sau đây không bay hơi.
A. H2SO3
B. H2SO4
C. HCl
D. HNO3
Ở dạng chất lỏng, HNO3 thường không có màu và có bốc khói mạnh trong không khí có độ ẩm

 

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