Which One of the Following Is the Weakest Acid

Chemistry Mcqs for Test Preparation from Basic to Advance. D HCN Ka 49 10-10 HCN has less Ka values.

List Of Strong Weak Acids Bases Chemistry Basics Chemistry Molecules

So the benzoic acid that is option A has no electron donating group so it works as a weak acid among the given compound.

. Which one of the following is an example of a weak acid. Hydrofluoric acid is the only weak acid produced by a reaction between hydrogen and halogen HF. What is the Weakest Acid.

A 010 M solution of a weak acid HX is 0059 ionized. PH 287 -logH 287 H 10-287 00013M C 13 View the full answer. Which one of the following is the weakest acid in water__________________.

Most organic acids are weak acids. View solution Which one of the following is the most acidic. So it is weak acid 22.

A H2SO4 b HF c HCl d HBr e HI 1 See answer Advertisement Advertisement gldenps7911 is waiting for your help. Acetic acid CH 3 COOH which is contained in vinegar and oxalic acid H 2 C 2 O 4 which is present in some vegetables are examples of weak acids. There are very few strong acids so one of the easiest ways to tell strong and weak acids apart is to memorize the short list of strong ones.

No calculations required a 02 M sodium hydroxide b 02 M hypochlorous acid c 02 M ammonia d 02 M benzoic acid e pure water 16. The strong acids are hydrochloric acid nitric acid sulphuric acid hydrobromic acid hydroiodic acid perchloric acid and chloric acid. Citric acid is a weak acid because it has a very small amount of H ions in its solution.

Strong and weak acids are important to know both for chemistry class and for use in the lab. Which one of the following is the weakest acid. Which one of the following is a weak acid.

View the full answer Transcribed image text. A B C D Hard Solution Verified by Toppr Correct option is A Presence of electron donating group like OHNH 2 increases the acidity of the compound. Which one of the following is the weakest acid.

Which one of the following acids is the weakest. Which of the following is the strongest weak acid. The hydrogen-chlorine bond Hydrogen-bond in HCl is very weak allowing it to completely dissociate in water thus it qualifies as a strong acid.

A small Ka value means little of the acid dissociates then it is a weak acid. Which one of the following is the weakest acid. Question Which of the following is weakest acid.

Which one of the following acids is not strong. HNO2 Ka 45 x 10-4 e. Which of the following solutions has the lowest pH at 25 o C.

The hydrogen-fluorine bonding Hydrogen-bond in HF is relatively strong so it only partially dissociates in water making it a weak acid means H ions are not free to go into the solution thus limiting the strength of HF in water. HF Ka 68 10-4 O C. October 21 2021 thanh.

NH4 pKa 920 c. Solve by askiitians faculty. A 38 x 10-9 b 65 x 10-7 c 70 x 10-6 d 42 x 10-6 e 35 x 10-8.

Lucyw17 lucyw17 The answer is b HF Advertisement Advertisement New questions in Chemistry. Was this answer helpful. View solution Which one of the following is.

Evaluate K a for the acid. The only weak acid formed by hydrogen and a halogen is hydrofluoric acid HF. Correct option is A Was this answer helpful.

Add your answer and earn points. HCIO Ka 30 10-8 b. A large Ka value indicates a strong acid because it means the acid is largely dissociated into its ions.

HCN Ka 49 x 10-10 O d. 4-hydroxybenzoic acid b 24. 13 Which one of the following is the weakest acid A HF Ka-68x104 ッcrtic acid Ka-1810-5 Ka 45 x 10-4 D НСО Ка 30 10-8 EICN K-49 10-10 14 HZ is a weak acid.

Rank the planets from left to right based on the strength of the greenhouse effect occurring at their surfaces from strongest to weakest. H2PO4 pKa - 78 b. Any other acid is considered a weak acid.

Phenol is the weakest acid. Here you will find Mcqs of Chemistry from Basic to Advance. 13 Which one of the following is the weakest acid.

Which will help you to get higher marks in Chemistry portion of test. A HF Ka 68 10-4 B HClO Ka 30 10-8 C HNO2 Ka 45 10-4 D HCN Ka 49 10-10 E Acetic acid Ka 18 10-5. Check Answer and Solution for above Che.

The following images show the four terrestrial planets in our solar system. An aqueous sobution of HZ is prepared by dissolving 0020 mol of HZ in sufficient water to H2 is yield 100 i9x 10-タ-- The Ka of hypochlorous acid OCO is 30 rept1. A weak acid is an acid that has very little H or OH- ions in its solution especially when compared to a strong acid solution.

Strong acids completely dissociate into their ions in water while weak acids only partially dissociate. 13 Which one of the following is the weakest acid A HF Ka-68x104 ッcrtic acid Ka-1810-5 Ka 45 x 10-4 D НСО Ка 30 10-8 EICN K-49 10-10 14 HZ is a weak acid. Vinegars All vinegars contain a natural weak acid called acetic acid.

In a weak acid this is not true and you will generally have most of the starting acid molarity still remaining at equilibrium. HC2H3O2 pKa 476. All the best for your futurew endutrewd.

Chemistry Mcqs are from the different sections of Chemistry Subject. The weakest correlations were observed among. AHF Ka 68 10-4 BAcetic acid Ka 18 10-5 CHNO2 Ka 45 10-4 DHClO Ka 30 10-8.

The weakest acid amongst the following is A ClCH2COOH B HCOOH C FCH2CH2COOH D CH2ICOOH.

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