22. Orbitals which are equal in energy are 26. Which acids are strong enough to

Question

22. Orbitals which are equal in energy are 26. Which acids are strong enough to referred to as protonate an ethoxide ion (CH,CH 0y? A. degenerate B. nodes D. nodeless. C. generate H,50 23. CeHu has 5 isomers. How many of these isomers has at least one quaternary (4 degree) carbon? A)A, B, C,D B) B, C, D, E C)C, D, E,F D)A, C, D, F E) B, C, D, F A. 0 B. I C. 2 D. 3 E4 27. Which bases are strong enough to 24. Which of the following pairs are NOT deprotonate HO? A) A. B, C, D, B) A. C, D, E. C) A, B, D, E D) B.C, D,E E) B.C, D, F D. Each of these pairs represents resonance structures 25. What is the hybridization of the carbon 28. Which off the following options contributes the most character to the overall resonance hybrid of 1? atoms 1-5 in the following structure?

Explanation / Answer

(22)

Degenerate

(23)

Only 1 isomer of C6H14 has a quaternery carbon.

(24)

Pairs B and C are not resonance structures.

(25)

The correct option is (D)

C1=sp3, C2=sp2, C3=sp2, C4=sp2, C5=sp3

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