Nội dung text 11. ALCOHOLS PHENOLS AND ETHERS.pdf
BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 11. ALCOHOLS PHENOLS AND ETHERS #QID# 43636 (1.) Product is (a.) (b.) (c.) (d.) Both (a) and (b) ANSWER: c #QID# 43659
BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 (2.) (a.) (b.) (c.) (d.) ANSWER: b EXPLANATION: (b) C − Br bond is weaker as compared to C − Cl bond #QID# 43682 (3.) What amount of bromine will be required to convert 2 g of phenol into 2, 4, 6-tribromo phenol? (a.) 4.00
BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 (b.) 6.00 (c.) 10.22 (d.) 20.44 ANSWER: c EXPLANATION: (c) Molecular weight of phenol= 12 × 6 + 1 × 6 + 16 = 94 Molecular weight. Of Br2 = 3 × 160 = 480 ∵ 94 g of phenol requires=480g of Br2 ∴ 2 g phenol requires=480 94 × 2 = 10.22 g #QID# 43513 (4.) Phenol NaNO2 /H2 SO4 → B H2O → C NaOH → D Name of the above reaction is (a.) Liebermann’s reaction (b.) Phthalein fusion test (c.) Reimer-Tiemann reaction (d.) Schotten-Baumann reaction