1. An organic compound X with a molecular formula C2H6O undergoes oxidation with in presence of alkaline KMnO4 to form a compound Y. X on heating in presence of Conc. H2SO4 at 443K gives Z. Which on reaction with H2Oin presence of H2SO4 gives back `X` `Z` reacts with Br2 (aq) and decolorizes it. Identify X‚ Y‚ & Z and write the reactions involved. 2. An organic compound ‘A’ is widely used as a preservative in pickles and has a molecular formula C2H2O2. This compound reacts with ethanol to
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Affixes an Compound Words AFFIXES An affix is a morpheme that is attached to a word stem to form a new word. Affixes may be derivational‚ like English -ness and pre-‚ or inflectional‚ like English plural -s and past tense -ed. They are bound morphemes by definition; prefixes and suffixes may be separable affixes. Affixation is‚ thus‚ the linguistic process speakers use to form different words by adding morphemes (affixes) at the beginning (prefixation)‚ or the end (suffixation) of words. TYPES
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constituent compounds discovered in past centuries - although not all aromatic compounds known today share the same distinction (many are in fact‚ odorless or even unpleasant)‚ they are the principle components in such pleasant smelling substances as cinnamon‚ licorice‚ wintergreen‚ clove & vanilla CLASSIFICATION – - also known as arenes‚ many aromatic compounds possess the benzene ring functional group: G’s FG = aromatic compound or arene benzene ring or aryl grp - other compounds which do
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IONIC COMPOUNDS In chemistry‚ an ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. Usually‚ the positively charged portion consists of metal cations and the negatively charged portion is an anion or polyatomic ion. Ions in ionic compounds are held together by the electrostatic forcesbetween oppositely charged bodies. Ionic compounds have high melting and boiling points‚ and they are hard and very brittle. Ions can be single atoms‚ as the sodium and chlorine in
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Grade 10 Science –Chemistry Ionic Compounds Science Perspectives 10 - Section 5.6 Pages 192-195 Compound • A Pure Substance composed of two or more elements in a FIXED RATIO Ionic Compound • A compound made up of one or more positive metal ions (cations) and one or more negative non-metal ions (anions) Ionic Bond • The simultaneous strong attraction of positive and negative ions in an ionic compound. As noted‚ ionic bonding occurs between metals and non-metals. Yet‚ “why
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and hyphens have evolved to support ease of reading in complex constructions; editors often accept deviations from them that will support‚ rather than hinder‚ ease of reading. The use of the hyphen in English compound nouns and verbs has‚ in general‚ been steadily declining. Compounds that might once have been hyphenated are increasingly left with spaces or are combined into one word. In 2007‚ the sixth edition of the Shorter Oxford English Dictionary removed the hyphens from 16 000 entries‚ such
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Playing Beatie Bow Chapter Summaries Chapter 1 Chapter 1 of ‘Playing Beatie Bow’ is mainly the introducing and descriptions of the character. The chapter showed the family situation and how it is not at its best state. It shows how Abigail Kirk the protagonist of the novel hates her father‚ Weyland Kirk. Her resentment towards her father is due to the reason that he left his mother‚ when she was ten‚ for another woman; Jan. Abigail chooses to change her name and doesn’t like being called pet
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A Detailed Lesson Plan in Language Grade 1 I. Objectives At the end of 30-minute period‚ the pupils should be able to: 1. identify compound words; 2. give compound words. II. Subject Matter A. Topic: Compound Words B. Concept: Compound words are two or more words combined to make a new word. C. Materials: flash cards‚ pictures D. Reference: ❖ Heilman‚ Arthur W. A Proper Perspective of Phonics. pp.122-127 III. Learning
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COMPLEXOMETRIC TITRATION LIGANDS: Metal ion ( analyte ; cation) Metal ion indicators Chilon Complexing agent pM indicators ( Chelating agent L igand/Sequestering agent) Chelate Complex ion Metal co -ordination compound /Metal complex/Chelate compound Ligands or complexing or chelating agents are electron donating entity‚ which has the ability to bind to the metal ion and produce a complex ion. The molecules or ions which displace the solvent molecules are
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kid‚ chap‚ chap‚ hot stuff‚ cackling‚ ’cos‚ gee‚ big picture)‚ dialect word Och‚ barbarisms such as corridor‚ silhouette‚ also bookish words such as emerged‚ glanced‚ admitted‚ glared‚ acquaintances‚ voluptuous‚ contemptuous‚ etc. There are many compound words tea-spoon‚ bull’s-eye‚ dress .circle‚ background‚ pot-plants‚ rapid-fire‚ heart-searing‚ heart-throbs‚ thrill-thirsty‚ heart-string‚ water-butt‚ mix-up‚ hard-worked. Author also uses some word-combinations and phrases sink into stillness
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