Question 2 Which of the following is the correct conjugate base of propyne? H3C— C= CH A) H.C—c=c: B) H2–=CH C) Mac—c=...

Question

Question

Question 2 Which of the following is the correct conjugate base of propyne? H3C— C= CH A) H.C—c=c: B) H2–=CH C) Mac—c= D) H3C

Answer 1

Answer #1

To obtain conjugate base of a species remove H+ ion from it.

To obtain conjugate acid of a species add H+ ion from it.

To obtain conjugate base of propyne , remove H+ from it and we will obtain a primary carbanion.

Answer = C

Answer 2

Similar Homework Help Questions

What is the conjugate base of each of the following acids? (a) NH3 (b) H20 (c)...

What is the conjugate base of each of the following acids? (a) NH3 (b) H20 (c) H2 (d) HC=CH (e) CH3OH (f) H307 What is the conjugate acid of each of the following bases? (a) HS04 (6) H2O (C) CH3NH2 (d) NH2 (e) CH3CH2 (f) CH3CO2
2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C...

2. Arrange the following in order of: (i) increasing reactivity with HCI. CH, CH CH H.C=C nec nec 20 cm H.C=C CH HC=C CH, (b) H.C=C NHCH, CHOCH, ОСН, (a) (c) (d) Teast reactive most reactive (ii) increasing stability. CH CH3 CH (a) (C) least stable most stable (iii) increasing heat of hydrogenation. CH,CH, CH=CH2 C H.CH O CH.CH CH3 CH,CH; CH,CH, (0) lowest heat of hydrogenation
(d) Conjugate acid: OH"; conjugate base: H3* (e) None of these 5. Identify the conjugate acid/base...

(d) Conjugate acid: OH"; conjugate base: H3* (e) None of these 5. Identify the conjugate acid/base pairs in the following equation (10) HASO4 + H2O <H2AsO4 + OH (A). HASO. (acid)HAsO4 (base): H2O (acid)/ OH (base) (B). HASO4 (acid)/HASO. (base): H2O (acid)/ OH (base) (C). H2AsO4 (acid)/ OH (base) ; H2O (acid)/HASO4 (base) (D). H AsO4 and H20 (acids): OH and HASO4(bases) (E). None of these 6. Which is an INCORRECT statement?(10) a) The conjugate base of H2O is OH....

b. NH e. HaPO c. 0 11. For the following reaction, which is a conjugate acid...

b. NH e. HaPO c. 0 11. For the following reaction, which is a conjugate acid and base pair? NH2CH: (aq)+ HCO H (aq) NH CH, (aq) + HCO (aq) a. Acid: NH2CHs; Conjugate Base: HCO2H b. Acid: HCO2H; Conjugate Base: NH2CH Acid: NH CH; Conjugate Base: NH CH3 d. Acid: HCO2H; Conjugate Base HCO2 e. Acid: NH3CH3; Conjugate Base: NH2CH C. 12. If the Ks of benzoic acid (CsHsCOOH) is 6.14 x 10, what is the pK, of the...
6 B. C. D. F3C 0 Question 14. Draw the conjugate acid of the following compound....

6 B. C. D. F3C 0 Question 14. Draw the conjugate acid of the following compound. Answer: Question 15. Draw the conjugate base of CH3C CH. Answer
Which of the following is NOT a conjugate acid-base pair? Which of the following is NOT...

Which of the following is NOT a conjugate acid-base pair? Which of the following is NOT a conjugate acid-base pair? (A).H2SO3/HSO3- (B).H3O+/OH- (C).NH4+/NH3 (D).C2H3O2-/HC2H3O2 (E).All of the above are conjugate acid-base pairs.

According to the Bronsted-Lowry theory, which of the following is not a conjugate acid-base pair? A)...

According to the Bronsted-Lowry theory, which of the following is not a conjugate acid-base pair? A) H3O+ / OH- B) CH3OH2+ / CH3OH C) HI / I- D) H2 / H-
4. Write down the conjugate: A. Acid of R-NH2 B. Base of R-OH C. Base of HC=CH D. Acid of H20

4. Write down the conjugate: A. Acid of R-NH2 B. Base of R-OH C. Base of HC=CH D. Acid of H20
Of the following, which has the weakest conjugate base? A. H3PO4 B. HCOOH C. HClO4 D....

Of the following, which has the weakest conjugate base? A. H3PO4 B. HCOOH C. HClO4 D. H2CO3

Which of the following is NOT a conjugate acid-base pair?

Which of the following is NOT a conjugate acid-base pair? (a ) NH4+/NH2-. (b) H3O+/H2O (c) H2SO3/HSO3- (d) C2H3O2- /HC2H3O2 HC(e) Cal All of the above are conjugate acid-base pairs.