FeCl2 có tác dụng với Na2SO4 không?

2 câu trả lời

Bạn tham khảo!

Đáp án:

Không 

Giải thích các bước giải:

 Xét FeCl2Na2SO4 đều là muối nên đây là phản ứng trao đổi

Điều kiện xảy ra phản ứng trao đổi:

+) 2 muối tham gia đều tan

+) Sản phẩm có kết tủa

______________________________________________

Sản phẩm ở phản ứng trên là FeSO4NaCl2 muối đều tan

Không đảm bảo điều điện để xảy ra phản ứng

Đáp án:

Không xảy ra

Giải thích các bước giải:

- Khi FeCl2 tác dụng với Na2SO4 tạo ra 2 muối đều tan, nên phản ứng không xảy ra.

- Và phản ứng không thỏa mãn các điều kiện để phản ứng xảy ra:

+ Không có kết tủa tạo thành

+ Không có chất khí sinh ra

Vậy FeCl2 không tác dụng với Na2SO4

Câu hỏi trong lớp Xem thêm

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