Cbse class 10 science notes chapter 2 acids bases and salts. I then pass out the acids and bases reading questions which guide students in finding the background knowledge i want students to learn for this unit from their text. It is used to determine the concentration of an acid or base by exactly neutralizing the acidbase with an acid or base of known concentration. All bronstedlowry acids are lewis acids, not all lewis acids anr bronsted acids. Here we have given ncert class 10 science notes chapter 2 acids bases and salts. Perhaps the easiest way to start is to list some of the properties of acids and bases.
The table below summarizes some properties that will be helpful as we learn more about acids and bases. Acids properties definition common acids reactions weak vs. Given the equilibrium constant k eq for a reaction, predict whether the reactants or products are predominant. Acids and bases are the only molecules different from ionic. Eleventh grade lesson introduction to acid base theory. Bronstedlowry bases are not arrhenius bases, but all arrhenius bases contain the bronstedlowry base oh. Chemistry notes pdf class 10 chemistry notes pdf class 10.
Cbse class 10 science notes chapter 2 acids bases and salts pdf free download is part of class 10 science notes for quick revision. Amphiprotic substance a substance that can act either as a pppproton acceptor or a proton donor. Strong acids hcl, h2so4, hno3, hbr, hi, hclo4, hbro4 weak acids ch3cooh weak acid or base is one that is only partially ionised in water weak electrolyte. Identify the conjugate acid base pairs in the reaction. In studying acids and bases we are going to see that water can also participate in chemical reactions 2. Acids donate protons, bases accept them physical and chemical properties of acid and base acids bases taste sour citric acids. Acids produce hydrogen ions in aqueous solutions 2. Bases produce hydroxide ions in aqueous solutions b. According to new cbse exam pattern, mcq questions for class 10 science pdf carries 20 marks. In chemistry, and particularly biochemistry, water is the most common solvent 1. Bronsted lowry acid, lewis acid, acids in aqueous solution, relationship between kb and ka, muliprotic acids, equilibrium calculations, mass balance, equilibrium relationship, proton condition, weak acidbase calculations, strong acidbase calculations, strong acidstrong base mixtures, strong acidweak base mixtures. Acids and bases arrhenius base is one that dissociates in water to form hydroxide ions. Acid or base ph and related simple calculations today acid strength more ph calculations bases more detail polyprotic acids more detail week 10 chem 10 sections l and m 2 determining acid strength via k. Calculating ph of weak acidsbases sample problems a.
Solutions of bases contain ions just like acids and can also conduct electricity. Values of ka for some common monoprotic acids forumla name value of k a hso 4hydrogen sulfate ion 1. Acids and bases lesson plan jerel ray perez anderson high school pre. For example, sulphuric acid, hydrochloric acid etc. Given the equilibrium constant k eq for a reaction, predict whether the reactants or. Chemistry notes chapters 20 and 21 acids and bases. This is used as confirmation test for the presence of acid. Acid base chemistry notes pdf 10p this note covers the following topics. Acids is defined as the one which produces hydrogen ions in water. Acids and bases section 1 short answer answer the following questions in the space provided.
They have a sour taste, and they all react with most metals to form hydrogen gas h 2 and with baking soda to form carbon dioxide co 2. Hcl, hbr, hi, hno 3, hclo 4, h 2 so 4 the following are some less common acids that are also strong. Acids, bases and indicators form 1 chemistry notes. Chemistry 12 notes on unit 4 acids, bases and salts chemistry 12 unit 4 notes page 6 amphiprotic species ions or molecules are found on both sides of the table e. Introduction to acidbase chemistry a chem1 reference text stephen k. Chemistry notes chapters 20 and 21 acids and bases neutralization goals. Chemistry 12 notes on unit 4 acids, bases and salts chemistry 12unit 4notes page 8. Chemistry unit 7 acids and bases slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
It comes from the latin word acidus that means sharp or sour. Overview of acids and bases alevel chemistry revision notes. Acids, bases and indicators form 1 chemistry notes wednesday, 23 january 2019 09. Bronstedlowry acids and bases conjugate acidbase pairs water.
For example, hydrochloric acid hcl, sulphuric acidh2so4, nitric acidhno3. Identify the conjugate acidbase pairs in the reaction. Acids and bases can be differed by the ability to give accept protons. Murdoch page 7 of 55 website upload lecture notes arrhenius acids.
To register science tuitions on to clear your doubts. Bases have a bitter, soapy taste, and feel slippery. Acids are often classified on the basis of source, the presence of oxygen, strength, concentration and basicity. H 2s which if any of the acids mentioned in item 1 are binary. That means a equilibrium is established and it lies far to the left reactant favored. Equilibria involving acid and bases so far, weve been considering reactions which only go one way. Ap chemistry 90 minutes objective student will formulate their own learning of acids and bases by completing a writing assignment tying previous knowledge of chemistry to new concepts. Acids can dissolve in water to form solutions which conduct electricity. Bases bases are compounds which give hydroxide ion in water solution. Lower simon fraser university contents 1 acids 2 1. Basically, each one has a 5050 chance of coming first.
There are strong acids that dissociate completely in water, and weak acids that dissociate incompletely. Calculating ph of weak acids bases sample problems a. Some bases contain hydroxide ions, oh, but others do not but they will react with water molecules to form ohions. Arrhenius acid is on that dissociates in water to form hydrogen ions protons. Cbse class 10 science chapter 2 acids, bases and salts. A a ba in any acidbase reaction, a conjugate acid and a base pair are established. Acids bases and salts class 10 notes science chapter 2. Chemistry 108 chapter 9 lecture notes acids, bases, and equilibrium 1 chapter 9 lecture notes. The equilibrium expression for acids is known as the ka the acid dissociation constant. If you continue browsing the site, you agree to the use of cookies on this website. Note that not all acids contain hydrogen and not all substances that contain hydrogen are acids e. Study 32 terms chemistryacids and bases flashcards quizlet. A bronstedlowry base is one that accepts a hydrogen ion in a reaction. Scribd is the worlds largest social reading and publishing site.
Describing acids and bases physical and chemical properties of acid and base acids bases taste sour citric acids. Hclo 3, hbro 3, hio 3, h 2 seo 4 assume all other acids are weak unless told otherwise. Some bases contain hydroxide ions, oh, but others do. You have to work it out by counting hs and charges. The taste of the food is due to presence of acids and bases in them. Iii properties of an acid a tastes sour b conduct electricity c corrosive, which means they break down certain substances. Amphoteric compounds chem 0012 lecture notes 17 acids, bases and salts hebden unit 4 page 109. Revision notes on acids, bases and salts askiitians. Given a chemical equation, write the law of mass action. Perhaps no two classes of compounds are more important in chemistry than acids and bases. May 05, 2010 chemistry unit 7 acids and bases slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Click here to watch them acids, bases and salts acids acids are compounds which give hydrogen ion in water solution. The table below summarizes some properties that will. Acids and bases an acidbase titration is the experimental setup of a neutralization reaction. Conjugate acids and bases acids form conjugate bases after donating the proton, while bases form conjugate acids after accepting the proton. A bronstedlowry acid is one that donates a hydrogen ion in a reaction. Strong and weak acids and bases strong acid or base is one that is completely ionised in water strong electrolyte.
328 1414 1116 271 431 1366 765 247 21 1017 1435 863 1119 1218 395 169 152 893 1225 1237 789 615 665 1347 1054 1225 632 997 967 435 1008 1363 945