Table of Contents
- 1 What is the action of conc H2SO4 on hydrogen bromide?
- 2 Does HBr react with H2SO4?
- 3 When H2SO4 reacts with excess of pcl5 the product’s obtained are?
- 4 What is the chemical equation for HBr?
- 5 Which of the following acid can’t be prepared by conc H2SO4?
- 6 What happens when hydrogen bromide reacts with sulfuric acid?
- 7 What is the chemical name of H+ and SO4-?
What is the action of conc H2SO4 on hydrogen bromide?
But concentrated sulphuric acid is not used here because hydrogen bromide is a strong reducing agent and it reduces sulphuric acid to sulphur dioxide and oxidises itself and forms a molecule of bromine.
Does HBr react with H2SO4?
HBr+H2SO4=Br2+SO2+H2O.
What type of reaction is hydrogen bromide?
Hydrogen bromide adds to alkynes at a slightly slower rate than it adds to alkenes. This regioselective reaction is a Markovnikov addition. The reaction occurs when a proton adds to the triple bond to form an alkenyl carbocation, which the nucleophilic bromide ion subsequently captures.
Why HBr Cannot be prepared by the action of conc H2SO4 with NaBr?
(i) HBr is a stronger reducing agent, thus it reduces conc H2SO4 into SO2. Hence, it cannot be prepared by heating bromides with conc H2SO4.
When H2SO4 reacts with excess of pcl5 the product’s obtained are?
When sulphuric acid reacts with phosphorus pentachloride leads to the formation of sulphur chloride, hydrochloric acid and phosphoryl chloride. Therefore, option $C$ is the correct option.
What is the chemical equation for HBr?
HBr
Hydrobromic acid/Formula
Why can’t HBr be prepared by using NaBr and conc H2SO4?
Ans: HBr and HI cannot be prepared in the same way as HCl by using conc. H2SO4 because HBr and HI being stronger reducing agents, reduces the oxidizing acid (i.e.conc. H2SO4) to SO2.
How do you make H2SO4 formula?
H₂SO₄
Sulfuric acid/Formula
Which of the following acid can’t be prepared by conc H2SO4?
H2SO4 can not be used to prepare pure HBr from NaBr.
What happens when hydrogen bromide reacts with sulfuric acid?
Hydrogen bromide react with sulfuric acid to produce bromine, sulfur dioxide and water.
What is the balanced equation for 2HBr + H2SO4?
HBr + H2SO4 = Br2 + SO2 + H2O | Chemical reaction and equation Hydrogen bromide react with sulfuric acid 2HBr + H 2 SO → Br 2 + SO 2 + 2H 2 O [ Check the balance ] Hydrogen bromide react with sulfuric acid to produce bromine, sulfur dioxide and water. Sulfuric acid and hydrogen bromide – concentrated solutions.
What happens when concentrated sulphuric acid reacts with hydrogen halide?
Concentrated sulphuric acid acting as an acid. The concentrated sulphuric acid gives a hydrogen ion to the halide ion to produce a hydrogen halide. Because this is a gas, it immediately escapes from the system. If the hydrogen halide is exposed to moist air, you see it as steamy fumes.
What is the chemical name of H+ and SO4-?
Since the H+ (often called a “proton”) and the SO4- are dissolved in water we can call them H+ (aq) and SO4- (aq). The aq stands for aqueous – something that is dissolved in water. That leaves us with HSO4- which will also dissociate in water. But HSO4- is a weak acid.