I don't understand this at all, how can you determine the strength of conjugate base by looking at these molecules? How would you determine conjugate acid if that was the question?
An alcohol behaves as an acid by formation of alkoxide ion,
R-OH → RO- + H+
The acidity of alcohol is higher when the O-H bond is more polar. Presence of an electron releasing group like halogen increases the polarity of O-H bond due to -I effect. Closer the halogen to the C-OH bond, greater is the -I effect. Also -I effect increases with in number of halogen substituents.
Therefore the increasing order of acidic strength would be:
III<II<IV<I
III will be least acidic due to steric hindrance caused by presence of bulky Cl atoms on the same carbon.
We must consider steric reasons and inductive effect while determininng the correct order.
I don't understand this at all, how can you determine the strength of conjugate base by...
To understand how buffers use reserves of conjugate acid and conjugate base to counteract the effects of acid or base addition on pH. A buffer is a mixture of a conjugate acid-base pair. In other words, it is a solution that contains a weak acid and its conjugate base, or a weak base and its conjugate acid. For example, an acetic acid buffer consists of acetic acid, CH3COOH, and its conjugate base, the acetate ion CH3COO−. Because ions cannot simply...
I can't figure out how to find the concentration of the conjugate base. Question 2 If a 50.00 mL sample of 0.132 M ammonium chloride is titrated with 21.47 mL of 0.149 M NaOH, what is the pH of the titration mixture? (For NH4CI, Ka = 5.75 x 10-10, Selected Answer: 2 Correct Answer: 9.21 +0.02 Response This is in the buffered region of the titration. Therefore, calculate the moles of weak acid initially present and the Feedback: moles of...
How do I answer this question? I'm confused with the lone pairs... acid base conjugate base conjugate acid :O acid base conjugate base conjugate acid base acid conjugate acid conjugate base base acid conjugate acid conjugate base coniugate base
How do you find a conjugate base or conjugate acid? For example, what its the congigate base of H2PO4-? Also, how would you find the congugate acid? Please explain simply, for some reason this topic is very confusing to me.
I have no idea what clarification you need the question is as follows I don't understand how to get the answer 4. For a ligation reaction, it is generally recommended to add Insert to Vector at a molecular ratio of 3:1 (three molecules of insert to one molecule of vector). If your vector and insert preparations have the same DNA concentration (in ng/ul), but your vector is 4500 base pairs long and your insert only 1500 base pairs, which volume...
Can anyone help? I don't understand this question. You have a sample of lysine molecules. At what pH would the concentration of lysine with a neutral side chain be 25 times greater than the concentration of lysine with a positively charged side chain? Round your answer to the nearest tenth (one decimal place). The pKa of the lysine side chain is 10.53.
Fill in the missing chemical formulae in the tables below. acid conjugate base base conjugate acid H,CO, H.PO, XS ? H,0 он H,0 clo, Submit I Don't Know At a certain temperature, the equilibrium constant K for the following reaction is 8.0 x 10 NO3(8) + NO(g) – 2 NO,(8) Use this information to complete the following table. A There will be very little NO, and NO. Suppose a 29. L reaction vessel is filled with 2.0 mol of NO3...
I don't quite understand how to answer this question can someone please explain it? You perform a conjugation experiment using Hfr lys+his+gly + amp with F-lys-his-gly -amp and you observe the following Minimal Medium with lysine and glycine ampicillin 40 CFU Minimal Medium with histidine and glycine ampicillin 410 CEU Minimal Medium with lysine and histidine ampicillin 150 CFU 14) not let buti la n What is the order of gene transfer? lysine, glycine, histidine What is the purpose of...
Can you explain how you found the z value for this problem? I don't understand how with .95 you got 1.96
These are three questions i dont understand please help me in all of them 2) For the following reaction identify the Bronsted acid, the Bronsted base, the conjugate base of the Bronsted acid, and the conjugate acid of the Bronsted base. Bronsted acid Bronsted base Conj base of Conj acid of Bronsted acid Bronsted base