7. Rank the carbocations below in order of increasing stability ( 1=least stable; 3-most stable). 3 points + +

Classify the following carbocations as 1o, 2o, or 3o and b) rank them in order of stability. (1 = most stable).

What is the appropriate sequence of reagents to accomplish the following synthesis? Your answer should have the letters and or numbers in sequence with no spaces or commas (eg. af3d) Reagents a. HCI b. HBr C HO, H,SO, d. Br e. C 1. H, Pd 9 Bra. H0 h. C, H0 i Os0, then NaHSO, I HolOAc. H0 then NaBH, k BH, then HO, NaOH LO, then (CHs m. 2 equivalents of NaNH, n. H. Lindars catalyst o. Na / NH, P H,SO,. Hoso, 4 (a),BH then HO, NaOH r. 1 equivalent of NaNH, 1. CH,Br 2. CH,CH,Br 3. CH,CH,CH,Br 4. CH,CH,CH,CH,Br 5. CH,CH,CH,CH,CH,Br

Rank the following carbocations according to stability (1: most stable, 5: least stable.)

1. Rank the following carbocations from most to least stable (1= most stable) and provide a brief explanation for your rankings. A B с D

7 Your answer is partially correct. Try again. Rank the following from most to least stable. IV (most stable) > (least stable)

4. Rank the following carbocations according to stability (1: most stable, 5: least stable.). ht t tá OCH 3 +

6) Rank the stability of the following carbocations (1 = most stable) To

7. Rank the following alkenes from 1-4. 1 being most stable and 4 being least stable.

Rank the carbocations below in order of decreasing stability. (1 most stable)