Which corresponds to the best answer? 27. What is the direction of equilibrium when acetylene(C2H2, with a pKa of 25) reacts with ethoxide(CH3CH20") in an acid-base reaction? HINT: ThepKa of Ethanol is 1611. Rank the following compounds in order ofdecreasing melting point, putting the compound withthe highest melting point first.H-CHOCH*CHH-CEC-H6OCH"CH'A) LeftB) RightC) NeitherD) Cannot be determinedA) I> II > IIIB) II> III >IC) III > II >ID) III >I> II8. Which of the following statements explain why HBris a stronger acid than HF?12. Which of the following compounds is expected to beH20 soluble?A) Br is more stable than F because Br is larger than F.B) Br is less stable than F" because Br" is larger than F".C) Br is more stable than F because Br is lesselectronegative than F".D) Br" is less stable than F- because Br" is less electronegativeA) IB) IIC) IIID) IVthan F".9. What is the role of methylchloride (CH3CI) in thefollowing reaction?13. Which of the following statements about vitamin A,drawn below, is true?CH,CIAICIAICIA) Lewis acidB) Lewis baseC) Brønsted-Lowry acidD) Brønsted-Lowry baseHO.vitamin A10. What is the correct rank of the following compoundsin order of increasing acidity?A) Vitamin A is soluble in H20.B) Vitamin A is insoluble in organic solvents.C) Vitamin A contains an aromatic ring.D) Vitamin A is insoluble in H20.OHNH2онIIIVA)I> II > III > IVB) IV > III > II>IC) IV >I>II > IIID) III>I> IV > II

Since you have posted multiple question , as per the guidelines we can not answer more than one . If…

Answered: 7. What is the direction of equilibrium…

7. What is the direction of equilibrium when acetylenc (C2H2, with a pKa of 25) reacts with ethoxide (CH3CH20") in an acid-base reaction? HINT: The pKa of Ethanol is 16 H-CEC-H OCH'CH HOCH C H-CC

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Which corresponds to the best answer?

2
7. What is the direction of equilibrium when acetylene
(C2H2, with a pKa of 25) reacts with ethoxide
(CH3CH20") in an acid-base reaction? HINT: The
pKa of Ethanol is 16
11. Rank the following compounds in order of
decreasing melting point, putting the compound with
the highest melting point first.
H-C
HOCH*CH
H-CEC-H
6OCH"CH'
A) Left
B) Right
C) Neither
D) Cannot be determined
A) I> II > III
B) II> III >I
C) III > II >I
D) III >I> II
8. Which of the following statements explain why HBr
is a stronger acid than HF?
12. Which of the following compounds is expected to be
H20 soluble?
A) Br is more stable than F because Br is larger than F.
B) Br is less stable than F" because Br" is larger than F".
C) Br is more stable than F because Br is less
electronegative than F".
D) Br" is less stable than F- because Br" is less electronegative
A) I
B) II
C) III
D) IV
than F".
9. What is the role of methylchloride (CH3CI) in the
following reaction?
13. Which of the following statements about vitamin A,
drawn below, is true?
CH,CI
AICI
AICI
A) Lewis acid
B) Lewis base
C) Brønsted-Lowry acid
D) Brønsted-Lowry base
HO.
vitamin A
10. What is the correct rank of the following compounds
in order of increasing acidity?
A) Vitamin A is soluble in H20.
B) Vitamin A is insoluble in organic solvents.
C) Vitamin A contains an aromatic ring.
D) Vitamin A is insoluble in H20.
OH
NH2
он
II
IV
A)I> II > III > IV
B) IV > III > II>I
C) IV >I>II > III
D) III>I> IV > II

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