ALCOHOLS, PHENOLS AND ETHERS important objective 12 bseb21st December 2022by Shubham PrakashDisclaimer/Notice as Provided by the Content Creator It is my personal view12th Chemistry In EnglishBSEB 12th Exam Chemistry VVI Important Objective Question Chapter Wise11. ALCOHOLS, PHENOLS AND ETHERS1. Which of the following alcohols gives 2-butene on dehydration by conc. H2SO4? (A) 2-Methyl propene-2-ol(B) 2-Methyl 1-propanol(C) Butane-2-ol (D) Butane 1-olAnswer :- (C)2. The functional group of alcohol is : (A) -COOH (B) -CHO(C) -C= O(D) -OHAnswer :- (D)3. Alcohol is formed when one of the hydrogen of Alkane is replaced by :(A) Hydroxyl group(B) Aldehyde group(C) Carboxylic group(D) Chloro groupAnswer :- (A)4. Which of the following is most acidic ? (A) Benzyl alcohol(B) Cyclohexanol(C) Phenol(D) m-ChlorophenolAnswer :- (D)5. The formula of Phenol is : (A) C6H5OH (B) C2H5OH(C) C3H4OH(D) C6H6Answer :- (A)6. The I.U.P.A.C. name of CH3OC2H5 is (A) Methoxy methane(B) Ethoxy ethane(C) Ethoxy methane(D) NoneAnswer :- (D)7. The formula of methanol is : (A) CH3OH (B) CH3ONa(C) HCHO(D) CH4Answer :- (A)8. The product obtained when silica reacts with hydrogen fluoride is : (A) SiF4(B) H2SiF6(C) H2SIF4(D) HASIF Answer :- (C) 9. Which of the following is a formula of methoxy methane ? (A) CH3OCH3(B) CH3COCH3(C) C2H5OCH3 (D) C2H5COCH3Answer :- (B)10. Formula of oleum is : (A) H2S2O7(B) H2SO4(C) H2SO3(D) H2SO5Answer :- (A)11. Ethanol when heated with excess of conc. H2SO4 at 170° C gives : (A) Ethane(B) Ethene(C) Dimethyl ether(D) Ethyl hydrogen Sulphate Answer :- (A)12. Ethanol is soluble in water because it forms :(A) Ionic bond with water(B) Covalent bond with water(C) Hydrogen bond with water(D) All of these Answer :- (C) Last Seen: Dec 22, 2022 @ 1:30pm 13DecUTC Shubham Prakash Shubham prakash followers0 following0 Follow Report Content Published: 21st December 2022 Last Updated: 21st December 2022 Views: 11previousImportant tips for HybridizationnextBhuwan Thapaliya Quotes Leave a Reply Cancel replyYou must Register or Login to comment on this Creation.