Free PDF Download of CBSE Chemistry Multiple Choice Questions for Class 12 with Answers Chapter 11 Alcohols, Phenols and Ethers. For example, CH3OH is methyl alcohol. Please click the link below to download CBSE Class 12 Chemistry Alcohols Phenols Ethers Questions Answers. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow$ Produce NCERT Exemplar... Download Printable Worksheets, test papers for Class 12 Chemistry with questions answers for all topics and chapters as per CBSE, NCERT, KVS sylabus, Online Teacher Training Course on Competency based Education in DIKSHA, Training of CBSE School Teachers on Olabs. SHOW SOLUTION Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning. AIEEE-2010 Q17.1.1. Sol. Q.1 Write the reaction of phenol with Zn. SHOW SOLUTION (3) 2–Methylpropan–2–ol The NATIONAL EDUCATION POLICY-2020 calls for shift towards... Green Olympiad is a value driven project conducted by TERI (The Energy and Resources Institute) for school students annually since 1999. There are many more useful educational material which the students can download in pdf format and use them for studies. Nucleophilic substitution, Q. Phenol on treatment with $\mathrm{CO}_{2}$ in the presence of NaOH followed by acidification produces compound X as the major product. p-Block Elements MCQs | Question – Paper 1, Haloalkanes and Haloarenes MCQ (NEET, JEE Main) – Test 5. The most suitable reagent for the conversion of $\mathrm{R}-\mathrm{CH}_{2}-\mathrm{OH} \rightarrow \mathrm{R}-\mathrm{CHO}$ is : Allyl phenyl ether can be prepared by heating: In the Victor-Meyer’s test, the colour given by $1^{\circ}, 2^{\circ}$ and $3^{\circ}$ alcohols are respectively :-, Williamson synthesis of ether is an example of. Q. (ii) Explain the mechanism of Acid catalysed dehydration of an alcohol forming an alkene. Sol. Among the following, which one cannot be formed as a product under any conditions ? Ans:-Phenoxide ion is more resonance stabilised than alkoxide ion. Students can solve NCERT Class 12 Chemistry Alcohols, Phenols and Ethers MCQs Pdf with Answers to know their preparation level. (iii) Some reactive alkenes like 2 − methyl propene undergo direct hydration in the presence of mineral acids which act as catalysts. Intext Questions 11.2 Nomenclature(a) Alcohols: The common name of an alcohol is derived from the common name of the alkyl group and adding the word alcohol to it. (3), Q. Also download collection of CBSE books for... Download Class 12 Chemistry assignments. Consider the following reaction : (2), Q. Q.12 Write a test to distinguish between primary, secondary and alcohols? (1), (1) 4        (2) 6         (3) 3           (4) 2, Q. Save my name, email, and website in this browser for the next time I comment. Download CBSE Class 12 Chemistry Alcohols Phenols Ethers Questions Answers pdf, Chemistry revision notes, mind maps, formulas, examination notes, sure shot questions, CBSE Class 12 Chemistry Alcohols Phenols Ethers Questions Answers. (3) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Br}+\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{ONa}$ NCERT Exemplar Problems for Class 12 Chemistry for all topics, Download Exemplar Solutions for Class 12 Chemistry and download in pdf free. Chemistry MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. SHOW SOLUTION (Note: that’s not the same as hydroxide, OH-, which is ionic.) (a) (b) Indicate stereochemistry (c) (d) Q17.1.2. Ans:-C-O bond in phenol has some double bond characters due to resonance an hence cannot be easily replaced by Nu. Practice test sheets for Class 12 for Chemistry made for important topics in NCERT book 2020 2021 available for free... Download syllabus for Class 12 Chemistry issued by CBSE and NCERT for 2020. Q.15.Write the IUPAC name of CH3 CH2-O-CH3? Your email address will not be published. (4), Q. Phenol reacts with methyl chloroformate in the presence of NaOH to form product A. High Order... Access latest VBQ, Value Based Questions for Class 12 Chemistry as per CBSE and NCERT syllabus. Jee-Main-2014 Jee-Main-2014 Q.1 Phenols are as a smaller dipole moment than methanol. Chapter 3 Alcohols, Phenols, and Ethers 2 3 Alcohols 4 The Hydroxy (—OH) Functional Group •The hydroxyl group (—OH) is found in the alcohol and phenol functional groups. Sol. Name the following structures. Every learning should go into the imbibing of these skills to lead a productive and joyful life. (4) $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ AIEEE-2009 A compound with a fruity smell was formed. A and B are respectively : Sol. (1) $\mathrm{CH}_{3} \mathrm{COCH}_{3}$ (4) 3-Methyl–2–butanone Grignard’s reagent acts as a nucleophilic agent & attacks electrophilic carbon atoms to yield a carbon − carbon bond. (2) PCC (Pyridinium chlorochromate) HCl and anhydrous $\mathrm{ZnCl}_{2}$, is :- Ans:- The species which has high electrons density. 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Sol. Jee-Main-2018 Ans:- R-X+R- O- Na --------- R-O-R + NaCl. Q.3 Give a test to distinguish between phenol and Benzyl alcohol. (1), (1) $\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{Br}+\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{ONa}$, (2) $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{CH}-\mathrm{Br}+\mathrm{CH}_{3}-\mathrm{ONa}$, (3) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Br}+\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CH}_{2}-\mathrm{ONa}$, (4) $\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{Br}+\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}_{2}-\mathrm{ONa}$, Q. Students can download these useful educational material free and use them to get better marks in examinations. When a new functional group is presented, its nomenclature is always based on the parent name with an ending that designates the functional group. (1) Red, blue, colourless (2), Q. A compound with a fruity smell was formed. –in phenols, —OH is connected to a benzene ring. Q.11 Which catalyst are used in Friedel craft reaction? (1) secondary alcoholby SN $^{1}$ Sol. CBSE Class 12 Chemistry Alcohols Phenols Ethers Questions Answers. Phenol on treatment with $\mathrm{CO}_{2}$ in the presence of NaOH followed by acidification produces compound X as the major product. AIEEE-2013 (3) Diethyl ethe Oleic acid, a commonly occurring fatty acid in vegetable oils, has the following structure. SHOW SOLUTION (2) tertiary alcohol by SN $^{1}$ X on treatment with $\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}$ in the presence of catalytic amount of $\mathrm{H}_{2} \mathrm{SO}_{4}$ produces : Phenol reacts with methyl chloroformate in the presence of NaOH to form product A. (4) $\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{Br}+\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}_{2}-\mathrm{ONa}$ The quiz portal can be accessed on Discover Gandhi portal at: https://discovergandhi.in/ DIKSHA platform (https://diksha.gov.in) and the Discover Gandhi mobile App which can be easily downloaded from Google Play Store on... Competency is a set of skills, abilities, knowledge that helps an individual perform a given task in real life. AIEEE-2012 Click here to download NCERT Solutions for questions of Class 12 Chemistry NCERT Book. Among the following, which one cannot be formed as a product under any conditions ? Free Sample Papers with solutions for Class 12 Chemistry,... Download past year Question Papers for Class 12 Chemistry as per CBSE NCERT KVS syllabus with solutions in pdf free. Practicing JEE Mains chapter wise questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas. 0.1% Soln of phenol is used as an antisepticn & 1% Soln of phenol is used as a disinfectant. Use them for better understanding of the subjects. 11.1.2 Phenols— Mono, Di and trihydric phenols Ethers are classified as simple or … (2) $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{CH}-\mathrm{Br}+\mathrm{CH}_{3}-\mathrm{ONa}$ (2). Download Worksheets for Class 12 Chemistry made for all important topics and is available for free download in pdf, chapter wise assignments or booklet with... Free revision notes, brief chapter explanations, chapter summary and mind maps for all important and difficult topics of CBSE Class 12 Chemistry as per 2020... Download NCERT books for Class 12 Chemistry, complete book or each chapter in Chemistry book for Class 12 in pdf.

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