_11. Which mechanism step is not required for the following Gabriel synthesis? 1. КОН ЕОН NH 2. Br 3. КОН, Н-О a. Nucleophilic addition b. Nucleophile elimination c. Electrophile elimination d. SN2 e. Proton transfer

Q: Which of the following best describes an enol group? A carbon that has an OH group and a double bond…

A: Ene ----->  Alkene Ol -------> Alcohol

Q: _5. Which atomic orbital contributor has three areas of constructive interference? II III IV а. I b.…

A: Atomic orbitals are the functions in space in which the probability of electron finding is maximum.…

Q: What is the percent ionization of H2NNH2 in a solution with a concentration of a 0.560 M? (Kb = 1.3…

A: Given information,  H2NNH2 in a solution with a concentration of a 0.560 M  Kb = 1.3 x 10-6

Q: Consider the reaction: N2 (g) + 3 Br2 (g) = 2 NBr3 (g) At equilibrium, the concentrations of N2 and…

A: It represent the ratio of concentration of the product to the concentration of reactants at…

Q: Select the two compounds below that are constitutional isomers.

A: The compounds which have same molecular formula but different structures are known as isomers. This…

Q: If Kp is the equilibrium constant for the reaction 2 A (g) + B (g) =4C (g). What is equilibrium…

A:

Q: Assuming all of the following molecules are planar, which one can be labeled antiaromatic, and why?…

A:

Q: _2. Which of the following would not alter the carbon skeleton of the starting material? а. d. Br…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: V = (2a/n)! /4e¬ax² =?

A: The wave function is given as:ψ = 2a/π1/4 e-ax2 <x2> = Average value of x2<x2> =…

Q: Here is a portion of the MO diagram for a particular molecule. Atomic orbitals are labeled with…

A:

Q: Which of the following reactions would have the most negative AS° value ? A) N2(g) + 3 Cl2(g) – 2…

A: Entropy (S) :- It is a measure of randomness in system. If the molecules move freely randomness will…

Q: What is the pH of a buffer made from 0.580 mol of CH;NH2 (Kb = 4.4 x 10-4) and 0.220 mol of CH3NH31?

A:

Q: Why do you think keeping food in the refrigerator prevents food spoilage.

A: Refrigerator keep the temprature of the food items low by removing heat from them.

Q: _4.Determine the necessary starting material to complete the step below. 1. BH3THF ? CH,CH, 2. Н,О,…

A: The regiochemistry of hydroboration oxidation reaction states that the addition reaction follows…

Q: Convert 48 miles per hour into m s. ms!

A: 1 mile = 1609.344 metres  1 hour = 60 minutes  1 minute = 60 seconds

Q: Which one of the following titrations is expected to have a pH < 7 at the equivalence point? A) HNO3…

A: pH of the solution is less than 7 if it has strong acid content.

Q: _6. Which term can be used to define a molecule that is cyclic, planar, completely conjugated, and…

A:

Q: The pH of a solution is 3.43. What is the OH" concentration in the solution? M

A:

Q: Consider the reaction below: 2 Co(g) + O2(g) = 2 CO2(g) 11.71 х 10(22 If Kc is 2.24 x 102² at…

A: The relation between Kc and Kp is shown below: Kp=Kc(RT)∆n

Q: representation particle of sulfur dioxide and arsenic

A: Mole is defined as exactly 6.022 ×10²³ particles, which may be atoms, molecules, ions, or electrons.

Q: _7 Assuming all of the following molecules are planar, which one can be labeled antiaromatic? HN IV…

A:

Q: An empty steel container is filled with 0.0550 atm of HF. The system is allowed to reach…

A: For a general reversible reaction  xA(g) &lt;---&gt; yB(g)   The expression for Kp is  Kp = PBy /…

Q: What ratio of CH3NH2 to CH3NH;* is needed to prepare a pH 10.20 buffer? (Kb for CH;NH2 is 4.4 ×…

A: The pH of a buffer solution is calculated using the Henderson Hasselbalsch equation as written…

Q: 3) Which of the following alkenes would be expected to be stable and, therefore, easily formed?

A: Compound 1 has two six member ring . In compound 1 double bond is not at bridge head carbon so this…

Q: Consider the reaction below: 2 CO(g) + O2(g) =2 CO2(g) If Kc is 2.24 x 1022 at 1273.0°C, calculate…

A: Given Kc = 2.24 x 1022  temperature, t =1273.0o C R = 0.08206 L-atm/mol K The given balanced…

Q: An unknown weak acid with a concentration of 0.420 M has a pH of 5.600. What is the Ka of the weak…

A: Solution The acid equilibrium constant is that the constant of the dissociation reaction of AN acid…

Q: For the reaction below, Kc = 1.10 × 10¬ª. What is the equilibrium concentration of C if the reaction…

A:

Q: Bond enthalpy is equal to bond energy.

A:

Q: What is the solubility of PbF2 in water? (Ksp of PbF2 is 3.6 × 10-8) |1.34 х 1004 M 1 2 4 C 7 8 3.

A: Given: Ksp of PbF2 is 3.6*10-8

Q: _10. If we wished to monitor a frequency to determine whether the reaction below had taken place,…

A: Atoms in any compound are not in their fixed position but vibrating continuously about their mean…

Q: _8. How many electrons are in the following molecule's largest conjugated a system? a. Two b. Four…

A: A conjugated system is a system of connected p-orbitals with delocalized electrons in compounds…

Q: Stress - Strain Behaviour Formula A cylindrical metal specimen 15.0 mm in diameter and 150 mm…

A:

Q: The AH(dissolve) for oxygen solubility in water at 310.0 K is -14.4 kJ/mol and the AG(dissolve) for…

A: Introduction If the value of enthalpy change (∆H) and the value of Gibbs energy change (∆G), then in…

Q: 32. Which compound is made: or Br 1 mole equivalent Bromine and FeBr3 F 34. Which compound is made:…

A: FeBr3/ Br2 is a brominating agent to aromatic  ring.Now when 1 equivalent is used, Br+ attached to…

Q: 2 SO2(g) + O2(g)=2 SO3(g). f you decrease the volume of the reaction chamber, you would observe A)…

A: A multiple choice question about chemical equilibrium.

Q: 9. What type of electron transition would create an absorption band at the longest wavelength in the…

A: The given molecules contain sigma, pi, and nonbonding electrons. The nonbonding electrons are…

Q: What is Ka for the conjugate acid of HONH2 (Kb = 1.1 × 10-8)?

A: For a conjugated acid-base pair, the product of Ka and Kb is known as Kw. where K_\text{w}Kw​ is…

Q: Which one of the following would have the largest molar entropy?

A: Molar entropy is the randomness or disorderedness of 1 mole of a substance. The molar entropy of…