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Chemistry questions and answers

Browse questions about Chemistry, with answers and explanations.

423 questions

Acids, Bases and Salts54 questionsChemical Bonding10 questionsChemical Kinetics4 questionsChemical Reactions2 questionsChemical Reactions and Equations16 questionsChemistry in Everyday Life24 questionsCombustion and Flame12 questionsCoordination Compounds2 questionsElectrochemistry5 questionsEnvironmental Chemistry7 questionsMetallurgy13 questionsMetals and Non-metals3 questionsMetals, Non-metals and Alloys22 questionsOrganic Chemistry94 questionsPeriodic Table58 questionsPolymers3 questionsSolutions15 questionsSome Basic Concepts of Chemistry7 questionsStates of Matter22 questionsStructure of Atom48 questionsSurface Chemistry2 questions

Questions

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Name an alkylbenzene widely used as a chemical intermediate in the production of phenol.

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Which empirical rule predicts the orientation of many electrophilic addition reactions to unsymmetrical alkenes and alkynes?

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Identify a class of compounds that has a functional group -OH.

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Identify the aromatic heterocycles represented by these source structures. a. A five-membered aromatic ring containing one oxygen atom. b. A six-membered aromatic ring containing…

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Pectin, which is responsible for the firmness and softness of fruits, is mainly composed of which acid unit?

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Dry ice, ammonium chloride, naphthalene balls and camphor, all these compounds are an example of:

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Assertion (A): Ethylene, also known as olefiant gas, is used as a raw material in the production of anesthetics and refrigerants. Reason (R): Ethylene…

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A class of organic compounds that contain an oxygen between two alkyl groups is called:

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Which naturally occurring and synthetically manufactured organic compound has the formula (C₆H₅)₂CO?

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Which option gives the products and energy released in the complete combustion of ethanol, CH₃CH₂OH, in sufficient oxygen?

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Which radical has formula C₂H and is obtained by removing one hydrogen atom from acetylene?

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Which type of carbon–carbon bond is characteristic of the alkene functional group?

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Which aromatic dialdehyde has two adjacent formyl groups on a benzene ring and forms fluorescent products with primary amines under suitable conditions?

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What is the systematic name of acetylene, C₂H₂, used in welding and cutting?

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Which primary arylamine is obtained by replacing exactly one hydrogen of benzene with an NH₂ group, with no other substitution?

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Assertion (A): Azulene is classified as a non-benzenoid aromatic compound. Reason (R): Non-benzenoid compounds contain fused benzene rings in their structure.

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What is the ability of carbon atoms to form covalently bonded chains, branches and rings with other carbon atoms called?

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What is the name of the straight-chain alkane CH₃(CH₂)₁₈CH₃?

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Assertion (A): Each carbon atom in acetylene (C₂H₂) undergoes sp² hybridization. Reason (R): Acetylene contains a triple bond between the two carbon atoms.

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A cyclohexane ring bears a methyl group and an unbranched propyl group on two ring carbons separated by one intervening ring carbon. Which name…

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