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Identifying the products of chemical reactions

Question 8

In a laboratory investigation, a student adds concentrated sulfuric acid dropwise to a boiling tube containing solid sodium bromide. An orange-brown vapour and a choking gas are evolved.

Which of the following lists contains only products that are formed as a result of a redox reaction between the halide ions and the sulfuric acid?

$H B r$ , $SO_2$ , $H_2O$

$Br_2$ , $SO_2$ , $H_2O$

$Br_2$ , $H_2S$ , $H_2O$

$H B r$ , $NaHSO_4$ , $Br_2$

Markscheme

Identifying the products of chemical reactions Questions

GCSE
Chemistry
Identifying the products of chemical reactions

41 exam-style questions on OCR GCSE Chemistry Identifying the products of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

Identifying the products of chemical reactions

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Identifying the products of chemical reactions

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Question 8

In a laboratory investigation, a student adds concentrated sulfuric acid dropwise to a boiling tube containing solid sodium bromide. An orange-brown vapour and a choking gas are evolved.

Which of the following lists contains only products that are formed as a result of a redox reaction between the halide ions and the sulfuric acid?

$H B r$ , $SO_2$ , $H_2O$

$Br_2$ , $SO_2$ , $H_2O$

$Br_2$ , $H_2S$ , $H_2O$

$H B r$ , $NaHSO_4$ , $Br_2$

Markscheme

Identifying the products of chemical reactions Questions

GCSE
Chemistry
Identifying the products of chemical reactions

41 exam-style questions on OCR GCSE Chemistry Identifying the products of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.