
Bromine is obtained commercially from sea water by adding
A. $AgN{{O}_{3}}$ solution
B. Crystals of $NaBr$
C. $C{{l}_{2}}$
D. ${{C}_{2}}{{H}_{4}}$
Answer
162.9k+ views
Hint: The sources of bromine are carnallite and sea water. Sea water contains potassium bromide. In order to produce bromine we need the potassium bromide to react with an element/compound more reactive than bromine. Also, it is established that the reactivity of the elements decreases down the group. These reasons are important to get to the answer.
Complete Step by Step Answer:
Bromine is a halogen element. It generally exists as a yellow colored liquid. Sea water contains bromine in a potassium salt of bromine present in sea water that is potassium bromide. Potassium bromide on reaction with chlorine gas forms a salt of chlorine that is potassium chloride along with bromine gas. Thus bromine gas is extracted from sea water using chlorine gas. The reaction is given as: $C{{l}_{2}}+2KBr\to 2KCl+B{{r}_{2}}$
Thus in this reaction, two moles of potassium bromide in reaction with one mole of chlorine gas forms two moles of a salt of chlorine that is potassium chloride along with one mole of bromine gas.
Thus we can write that bromine gas is extracted from sea water using chlorine gas..
Thus the correct option is C.
Note: Bromine cannot be obtained directly from carnallite. On crystallisation carnallite produces bromine.
Complete Step by Step Answer:
Bromine is a halogen element. It generally exists as a yellow colored liquid. Sea water contains bromine in a potassium salt of bromine present in sea water that is potassium bromide. Potassium bromide on reaction with chlorine gas forms a salt of chlorine that is potassium chloride along with bromine gas. Thus bromine gas is extracted from sea water using chlorine gas. The reaction is given as: $C{{l}_{2}}+2KBr\to 2KCl+B{{r}_{2}}$
Thus in this reaction, two moles of potassium bromide in reaction with one mole of chlorine gas forms two moles of a salt of chlorine that is potassium chloride along with one mole of bromine gas.
Thus we can write that bromine gas is extracted from sea water using chlorine gas..
Thus the correct option is C.
Note: Bromine cannot be obtained directly from carnallite. On crystallisation carnallite produces bromine.
Recently Updated Pages
Fluid Pressure - Important Concepts and Tips for JEE

JEE Main 2023 (February 1st Shift 2) Physics Question Paper with Answer Key

Impulse Momentum Theorem Important Concepts and Tips for JEE

Graphical Methods of Vector Addition - Important Concepts for JEE

JEE Main 2022 (July 29th Shift 1) Chemistry Question Paper with Answer Key

JEE Main 2023 (February 1st Shift 1) Physics Question Paper with Answer Key

Trending doubts
Types of Solutions

Degree of Dissociation and Its Formula With Solved Example for JEE

Classification of Drugs

IIIT JEE Main Cutoff 2024

IIT Full Form

JEE Main Reservation Criteria 2025: SC, ST, EWS, and PwD Candidates

Other Pages
Haloalkanes and Haloarenes

NEET 2025: All Major Changes in Application Process, Pattern and More

Verb Forms Guide: V1, V2, V3, V4, V5 Explained

NEET Total Marks 2025: Important Information and Key Updates

1 Billion in Rupees - Conversion, Solved Examples and FAQs

NEET 2025 Syllabus PDF by NTA (Released)
