Question 1
How many substituents does the following compound have?
![](data:image/png;base64, /9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCABAAKwDASIAAhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQAAAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEAAwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSExBhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD9RdS1zTdHls4r+/tbKS9m+z2yXEyxmeTBOxAT8zYBOBzgGr1YnjDwToPj/RJdI8R6Ta6xp0vJgu4w4Vh0ZT1Vh1DDBB5BFeX/APCK/ET4N5fwpeTfEXwqnXw9rd0Bqdqo7W125xKAOiT88cSdqAPa6K4n4dfGLwz8Tmu7bSbqW31mxx9u0TUYWtr+zP8A01hfDAejDKnsTXbUAFFcr8Qvih4Z+FulxX3iTVI7FZ5PJtrdVaW4upO0cMKAvIx9FBNee7PiZ8afvm5+FHg6TkBGR9fvU9yMpZg+2+TB/gNAHq0Pi7Q7jxFN4fi1nT5ddhhFxLpiXSG5SMkgO0edwUkHkjHFa1eVSfsw/Dr+wItOttBGn3cMpuItcs5ni1VLgj5p/tgPmmQ4GSzHd0ORxWT/AG58R/gx8mu28/xM8HxddZ06FV1m0T1ntlwtwB3aEB/+mZ60Ae10Vz/gjx94e+JGhJrHhrVrfV9PZjGZIG5jcfeR1PzI47qwBHcV0FABSE4GTwK4H4hfGvw94A1GDRSLnXvFd0m+08N6NH597OOm4rkCNPWSQqo9e1covw58b/F0if4iam3hnw83Twd4cumBmX+7eXi4aTPQxxbU7EuKAPVNA8W6H4q+2f2LrNhq/wBimNtc/YblJvIlHVH2k7WHoea1q8p179m7wpILW78JRv8ADrXrKIQ2uq+GES2YIOkc0QHlzx/7EitjnGDzWSPi/wCKPhKRbfFfSo20ZPlTxtoMTvYkdjdwfNJanuW+aP8A2l6AA9soqppWq2Wu6bbahp13Bf2FygkhubaQSRyKejKw4I9xVugAqvf39tpdnNd3lxFaWsKl5Z53CIijqWY8Ae5rzHxR8e7T+3brwv4F0yXx74ut28u4tbCQJZ2Det3dH5Isf3Buk9ENUrD4GX/ji8i1b4sauniqZWEsPhm0UxaHaN2zCSTcsP782RnkKtAHqmh69pnifSrbU9H1C11XTblQ8F5ZTLNDKp6FXUkEfQ1fryHW/gJ/Yepz698MtXPgPWpG82ewii8zR79+/n2mQqse8kRR/UnpTdG+PreHtVtdA+KGkf8ACC63cOIbW/MvnaRqDHp5N1gBGP8AzzlCP6ButAHsFFIDkZHIpaACiiigDifiN8HvDPxPFrPq1pJBq9jlrDWtPla2v7Jj3imTDD3U5U9wRXkuoaz8ZfDfjzR/hhB4k0HU21iyur+08Y31kwvbW3t2iSRZbVMRSzEzx7XBReGLJxg/SFePeLP+TrPh1/2LGuf+j9PoA3vh78D/AA/4C1SXXZHuvEfi+4TZdeJNZk8+8kB5KIcBYY8/8s4wqj0716HRRQAUUUUAeaeOPgVpPiTXJPE+hXt14L8alQo1/RtqvMB0W5iYGO4TtiRSR/CV61554f1T4tfFHxT4o8Dap4h0jwta+F54LXVNd8Owu15qYmgSZfIWYFbX924DN+8YNnaRwa+jq8e+E3/Jdfjn/wBhPSv/AE1wUAdt8Pfhb4Z+F2nz2vh3TVtGun827vJXaa6vJP8AnpNM5LyN7sTXV0UUAFIQGBBAIPBBpaKAPHNW+Ac3hbUbnXPhVrC+B9VnczXOkvEZtGv2PJ822yPKYn/lpCUbnJ3dK5P4f2PjP9p7wxBrfjPWE8M+EpZp7Y+GPDE8iSXbQyvC5uLwhZNheNiI4wnGNzNnA+j68e/ZM/5Ihp3/AGEtV/8AThcUAel+FvCejeCNCtdF8P6Xa6PpNqu2Gzs4hHGg9gPXqT3rWoooAKpazoun+I9KutM1Wyt9R066QxT2l1GJIpVPUMp4Iq7RQB4rF8I/FfwnuI5fhfrMc/h8MDL4M8RTPJaouefslzhpLc46Id8fYKvUe0ISUUsNrEcgHODTqKACiiigArx7xZ/ydZ8Ov+xY1z/0fp9ew15J4psriT9qH4fXSwStax+GtbR5ghKIxn0/AJ6AnBwPY0Aet0UUUAFFFFABXj3wm/5Lr8c/+wnpX/prgr2GvAvgh448Pa9+0J8dLHTdc0+/vBqGmv5Fvco7lU0+GNyADyFcFSR0IweaAPfaKKKACiiigArx79kz/kiGnf8AYS1X/wBOFxXsNeI/sfazYal8HFtbW8hnurDWNUgu4EcGS3k+3ztskXqpwQcHsRQB7dRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABXnvxA+N/h/wLqMeixLdeJfFs65t/Dehxi4vXHZnUHEMf8A00kKr70vxH8J+NPGupWum6R4pTwl4XaHdfXenRbtVmfcf3cTtlIU24y+1m9NvWtX4ffC3wx8L9OktPDulx2bTtvuryRjLdXb95J5nJeVj6sSaAPPv+FZeNPjF+++JWpjQvDcnzL4K8PXLKJF7LeXi7XlPqkexOxLiur8S/APwJ4n8OaXo0nh+302DSB/xKp9JH2O401v71vLHhoz9Dg9wa9CooA8S/tj4lfBf5dZt7n4peEE4Gp6bAq63ZoOnnW6gLdAd2i2v/sMeT6X4H+Ifhz4k6MuqeGtYtdXs87HMD/PE46pIh+aNx3VgCO4roq8z8dfAbRvE+st4j0O8u/BPjMDA8QaGRHLOB0S5jI2XCZx8sgPsVPNAHplFc/4Gh8TW3h6GHxdc6be61G7I91pUTxQzoD8j+W5JRiOqgkA9DiugoAK848ffAzQ/Gesr4jsLi78KeM4kCQ+I9FYRXOB0SVSCk6f7EqsPTB5r0eigDxRPiz4s+EzLa/FPSVvNGU4Xxt4et3azVf715b8vbe7gvH3LL0r17Rtb0/xHplvqWlX1tqWn3KCSG6tJVlikU9CrKSCPpVt0WRGVlDKwwVIyCK8g1r4BP4d1S5174Xaz/wgmsTOZrjTFi83RdQc9TPaggKx7yRFG7nd0oA9hoqrphvG021OoLCl+YlNwtsxaISY+YKSASuc4yM4q1QAUUUUAf/Z)
◦ none
◦ one
◦ two
◦ three
◦ four
Question 2
Identify the correct chair confirmations of the following compound and then indicate which one is more stable.
![](data:image/png;base64, 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)
![](data:image/png;base64, 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)
◦ I and II are correct chair structures and II is most stable
◦ I and III are correct chair structures and III is most stable
◦ I and II are correct chair structures and I is most stable
◦ II and III are correct chair structures and III is most stable
◦ II and III are correct chair structures and II is most stable