The reaction between aromatic aldehydes and alkanoic anhydrides in presence of alkanoate is called Perkin reaction. In film boiling, surface temperature is higher. Condensation Heat Transfer – MCQs with Answers 1. Services, Alkaloid Extraction: Definition & Methods, {{courseNav.course.mDynamicIntFields.lessonCount}}, Introduction to Organic Molecules I: Functional Groups, Introduction to Organic Molecules II: Monomers and Polymers, Proteins III: Structure and Characteristics of the 20 Amino Acids, Proteins II: Amino Acids, Polymerization and Peptide Bonds, Proteins IV: Primary, Secondary, Tertiary and Quaternary Structure, Hydroxyl Group: Definition, Structure & Formula, Transport Proteins: Definition, Types, Function & Examples, Amino Acid Side Chains: Function & Examples, What Is an Alkaloid? You can find other Chemistry Topic-Wise Test - 5 extra questions, flashcard set{{course.flashcardSetCoun > 1 ? Perkin reaction Also known as: Perkin condensation The Perkin reaction is an organic reaction used to convert an aromatic aldehyde and an anhydride to an α,β-unsaturated carboxylic acid using sodium acetate, a base, and an acid work-up. Condensation process is very common in a. Boiler b. This test is Rated positive by 89% students preparing for NEET.This MCQ test is related to NEET syllabus, prepared by NEET teachers. D None of these . (iii) Evaporators View Answer Discuss. This test is Rated positive by 87% students preparing for Chemical Engineering.This MCQ test is related to Chemical Engineering syllabus, prepared by Chemical Engineering teachers. The product then abstracts a proton from the acid to form – aldol type compound. Sciences, Culinary Arts and Personal The local coefficient of heat transfer for condensation, Remains constant at all heights of the surface, Decreases with increasing distance from the top of the surface, Increases with increasing thickness of film, Increases with increasing temperature differential between the surface and vapour. Identify the compounds A and B in the following reaction sequence. - Definition & Examples, AP Biology - Science Basics: Tutoring Solution, AP Biology - The Origin of Life on Earth: Tutoring Solution, AP Biology - Evolution: Tutoring Solution, AP Biology - Inorganic Chemistry: Tutoring Solution, AP Biology - Enzymatic Biochemistry: Tutoring Solution, AP Biology - Cell Biology: Tutoring Solution, AP Biology - Requirements of Biological Systems: Tutoring Solution, AP Biology - Cell Division: Tutoring Solution, AP Biology - Metabolic Biochemistry: Tutoring Solution, AP Biology - DNA and RNA: Tutoring Solution, AP Biology - DNA Replication: Tutoring Solution, AP Biology - Transcription and Translation: Tutoring Solution, AP Biology - Genetics and Heredity: Tutoring Solution, AP Biology - Genetic Mutations: Tutoring Solution, AP Biology - Phylogeny and the Classification of Organisms: Tutoring Solution, AP Biology - Plant Biology: Tutoring Solution, AP Biology - Plant Reproduction and Growth: Tutoring Solution, AP Biology - Animal Reproduction and Development: Tutoring Solution, AP Biology - Anatomy and Physiology of Reproductive Systems: Tutoring Solution, AP Biology - The Circulatory, Respiratory, Digestive, Excretory, and Musculoskeletal Systems: Tutoring Solution, AP Biology - The Nervous, Immune, and Endocrine Systems: Tutoring Solution, AP Biology - Animal Behavior: Tutoring Solution, AP Biology - Basic Molecular Biology Laboratory Techniques: Tutoring Solution, AP Biology - Laboratory: Tutoring Solution, AP Biology - Analyzing Scientific Data: Tutoring Solution, Working Scholars® Bringing Tuition-Free College to the Community, An example of an aldol condensation reaction, Groups that can be identified in an aldol compound, Understand the mechanism for an aldol condensation. Per la realizzazione di questa reazione si possono usare varie basi quali l'idrossido di sodio NaOH, le ammine e l'etilato sodico EtONa. mcq-Boiling & condensation . All other trademarks and copyrights are the property of their respective owners. 1 MARK OBJECTIVE QUESTIONS Reverse of boiling is; Solidification; Sublimation; Freezing; None; Ans: (d) Film condensation process This test is Rated positive by 88% students preparing for Class 12.This MCQ test is related to Class 12 syllabus, prepared by Class 12 teachers. (iii) Reynolds number of condensing liquid is based on its mass flow rate Assessments focus on groups within an aldol compound, what is produced in an aldol condensation reaction, and related information from the lesson. a. drop-wise condensation b. bulk-wise condensation c. film-wise condensation d. none of the above View Answer / Hide Answer Perkin condensation reaction is also used to prepare coumarin industrially from salicylaldehyde.
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