Yahoo is part of Verizon Media. When did organ music become associated with baseball? A strong acid will always loose a proton (A H+) when dissolved in H 2 O. If we have hydrochloric acid and acetic acid of equal concentration, which will be a stronger acid and why . How can it be verified ? In other words, ALL of the acid molecules break up into positive and negative ions when a strong acid is dissolved in water. Select the correct answer from A, B, C and D - (1) A weak organic acid is: A: Formic acid B: Sulphuric acid C: Nitric acid D: Hydrochloric acid. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Find out more about how we use your information in our Privacy Policy and Cookie Policy. (b) Arrange the above four solutions in the increasing order of H, (i) HCl is completely ionised in aqueous solution whereas acetic acid is partially ionised in aqueous solution. Ano ang pinakamaliit na kontinente sa mundo? HCl gives dark red colour with pH paper whereasCH3COOH gives orange colour, (ii) It is because acid ionises in aqueous solution and these ions conduct electricity. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. You can change your choices at any time by visiting Your Privacy Controls. (c) State the change in colour of pH paper on dipping in solution C and D. (i) HCl is completely ionised in aqueous solution whereas acetic acid is partially ionised in aqueous solution. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. What is the conflict of the story sinigang by marby villaceran? asked Jul 9, 2018 in Chemistry by Anukriti bharti ( 38.1k points) acids bases and salts How can it be verified? (iii) You have four solutions A, B, C and D. The pH of solution A is 6, B is 9, C is 12 and D is 7. Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. (i) Explain why is hydrochloric acid a strong acid and acetic acid, a weak acid. a base. (ii) Explain why aqueous solution of an acid conducts electricity. The ionization of acetic acid is incomplete, and so the equation is shown with a double arrow. (a) ‘A’ is most acidic and ‘C’ is most basic. (ii) Explain why aqueous solution of an acid conducts electricity. You can drink diluted acetic acid (the acid found in vinegar), yet drinking the same concentration of sulfuric acid would give you a chemical burn. How can it be verified? Hydrochloric acid is considered as a strong acid whereas acetic acid is a weak acid. Hydroiodic Acid (HI) 6. How can it be verified? Weak acids do not ionize completely (HA <--> H+ + A-) The equilibrium is favored toward the HA. How long will the footprints on the moon last? Whatever is left is the simple acetic acid (systematically called ethanoic acid) molecules. A strong acid is and acid that completely dissociates (breaks apart into ions) in water. How will understanding of attitudes and predisposition enhance teaching? Whether an acid is strong or weak depends on the specific acid (i.e. Explain why is hydrochloric acid a strong acid and acetic acid, a weak acid. The ionization for a general weak acid, HA, can be written as follows: HA(aq)→H+(aq)+A−(aq) Because the acid is weak, an equilibrium expression can be written. (iii) You have four solutions A, B, C and D. The pH of solution A is 6, B is 9, C is 12 and D … Acetic acid is the weakest of the strong or strongest of the weak acids. All Rights Reserved. What is the hink-pink for blue green moray? Why don't libraries smell like bookstores? If we have hydrochloric acid and acetic acid of equal concentration, which will be a stronger acid and why ? Why is melted paraffin was allowed to drop a certain height and not just rub over the skin? Strong Vs. Corrosive . If you are 13 years old when were you born? Strong Acids Strong acids ionize completely in water. What is the conflict of the story of sinigang? Perchloric Acid (HClO4) 7. (a) Identify the most acidic and most basic solutions. Does Jerry Seinfeld have Parkinson's disease? (Hi). The ionization is 100%. Inter state form of sales tax income tax? (b) Arrange the above four solutions in the increasing order of H+ ion concentration. Why ? This is tricky. HCl gives dark red colour with pH paper whereasCH. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Definition; Strong acid. How much does does a 100 dollar roblox gift card get you in robhx? Explain why is hydrochloric acid is called, a strong acid and acetic acid, a weak acid? (b) C (10-12) < B (10-9 ) < D (10-7 ) < A (10-6 ), (c) pH paper will become blue in ‘C’ and green in ‘D’. Difference between Strong acid and Weak acid. Its called acetic acid because it is an acid therefore it is not Glacial acetic acid weill seriously damage tissue and is dangerous. The reason is that sulfuric acid is highly corrosive, while acetic acid is not as active. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. HCl --> H+ + Cl-. Hydrochloric Acid (HCl) 2. In reality, there are only seven true “strong acids” 1. Acetic acid is a carboxylic acid (RCOOH) Most carboxylic acids are weak acids. Hydrobromic Acid (HBr) 5. Nitric Acid (HNO3) 3. Sulphuric Acid (H2S04) 4. Who is the longest reigning WWE Champion of all time? What is the contribution of candido bartolome to gymnastics? Copyright © 2020 Multiply Media, LLC. What is the reflection of the story the mats by francisco arcellana? HCl is a strong acid. An acid ionization constant (Ka) is the equilibrium constant for the ionization of an acid. A strong acid is an acid that ionizes completely in an aqueous solution. While acids tend to be corrosive, the strongest superacids (carboranes) are actually not corrosive and could be held in your hand. (i) Explain why is hydrochloric acid a strong acid and acetic acid, a weak acid.

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