D neutrons. Theoretically, isotopes have different atomic mass but they do have a similar no. of protons. Having said that, subtracting protons with the different atomic masses results in different no. of neutrons.
Answer:
The correct order of increasing reactivity toward nucleophilic acyl substitution is E < D < C < A < F < B.
Explanation:
The stability of the leaving group best determines the manner of reactivity of carboxylates to nucleophilic substitution after the substitution of the nucleophile to the leaving group. The leaving group should, therefore, be protonated with hydrogen ion in the solution to form a stable molecule. From the given list: The leaving group for A, Ethyl thioacetate will be ethanethiol. For B, Acetyl chloride will be Hydrochloric acid. For C, Sodium acetate will be Sodium Hydroxide. For D, Ethyl acetate will be Ethanol. For E, Acetamide will be Ammonia, and for F, Acetic anhydride will be Ethanoic acid. The reactivity of the substitution reaction is dependent on the stability of these leaving groups. The stability of these leaving groups depends on their pKa, and the more the pKa, the lesser the acidity of the leaving group, and the lower the reactivity. Therefore, considering their pKa: A is 8.5, B is -7, C is 13.8, D is 15.9, E is 36, and F is 4.8. When we rearrange this pKa in descending order, we have E, D. C, A, F, B. Which is also the increased reactivity of the nucleophilic acyl substitution.
Like, the first one is
Na ->1
O ->1
H-> 1
Total->3
And so on
- Freezing = 32 degrees Fahrenheit
- Boiling = 212 degrees Fahrenheit
- Difference = 181 degrees Fahrenheit
Explanation:
Boiling temperature is 212° F, while freezing is 32 °F, so it would be a difference of 181 degrees.
Hope you have a good day!
D because it was abandoned