Read and download free pdf of CBSE Class 12 Chemistry Ethers Worksheet. Students and teachers of Class 12 Chemistry can get free printable Worksheets for Class 12 Chemistry in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 12 students should practice questions and answers given here for Chemistry in Grade 12 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 12 Chemistry Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests
Ethers Class 12 Chemistry Worksheet Pdf
Class 12 Chemistry students should refer to the following printable worksheet in Pdf for Ethers in standard 12. This test paper with questions and answers for Grade 12 Chemistry will be very useful for exams and help you to score good marks
Class 12 Chemistry Worksheet for Ethers
CBSE Class 12 Chemistry Worksheet - Ethers. CBSE issues sample papers every year for students for class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.
Q1. Give reasons for the following;-
(a) The c-o-c bond angle in ethers is larger than the tetrahedral value.
(b) Ethers are miscible in water just as alcohol’s are
(c) Boiling pts. Of ethers are comparable to those of ethers of comparable molecular mass.
(d) Ethers have a net dipole moment even if they are symmetrical in structure.
(e) For the preparation of t-butyl methyl ethers, methyl bromide and sodium t-butoxide is used. Reaction of sodium methoxide and t-butyl bromide can’t be used.
(f) Acid catalysed formation of ethers from alcohols is not appropriate for preparation of unsymmetrical ethers.
(g) Anisole is prepared by reacting sodium phenoxide with methyl bromide and not bromobenzene and sodium methoxide.
(h) When alkyl aryl ethers are cleaved with halogen acid, the yield is phenol and a molecule of alkyl halide and not phenyl halide and alcohol.
(i) When ethers with 1 and 2 alkyl groups are cleaved with excess of HI under drastic conditions, alkyl iodide is formed with lower alkyl group.
(j) When tert-butyl methyl ether is hydrolysed with HI under drastic conditions, the products are methanol and t-butyl iodide and not butyl alcohol and methyl iodide.
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