An example of this group is ethyne. The suffix ‘ane’ is used to describe any alkane compound - for instance, methane, ethane, butane, etc. If this means that you can number from either end, then number, from the one that will give the lowest possible sum of numbers indicating the, position/s of the substituents (the things attached to the chain other than H). This naming system has been developed to create a set of standardised names that are accepted across the globe. CET 2000], The IUPAC name of $C{{H}_{3}}-\underset{OH\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{|\,\,\,\,\,}{\mathop{\underset{OH}{\mathop{\underset{|\,\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,C{{H}_{3}}$ and $\underset{CN\,\,\,\,\,\,\,CN\,\,\,\,\,\,CN\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{2}}-CH-C{{H}_{2}}}}\,}}\,$ [Pb. For a limited time, find answers and explanations to over 1.2 million textbook exercises for FREE! These principals enforce a standardise rule and eradicate the problem of various names for a single compound. 2002], question_answer82) The IUPAC name of n-butyl chloride is [Kerala (Med.) Format used for this purpose is – “locant + prefix + root + locant + suffix”. This process indicates when a carbon atom is getting replaced by another atom. Here, the substituents represent functional groups attached to the primary carbon chain. Alcohols: Alcohols are named after replacing the ‘–ane’ suffix with ‘-anol’. Find out the senior-most among these structural components joined to the primary characteristic group. Reply. IUPAC has a prolonged history of providing nomenclature to organic and inorganic compounds. question_answer1) The systematic name of $C{{H}_{3}}-CHBr-C{{H}_{2}}OH$ is [BHU 1982], question_answer2) IUPAC name of acetyl salicylic acid is [CPMT 1994], question_answer3) IUPAC name of $C{{H}_{3}}CHO$ is [NCERT 1981; CBSE PMT 1990; MP PMT 1989, 96], question_answer4) IUPAC name of $C{{H}_{3}}CH(OH)C{{H}_{2}}C{{H}_{2}}COOH$ is [MP PET 1990], question_answer5) IUPAC name of $C{{H}_{3}}-O-{{C}_{2}}{{H}_{5}}$ is [MNR 1986; MP PET 2000], question_answer6) Which of the following compound has the functional group $-\text{ }OH$, question_answer7) IUPAC name of the ${{(C{{H}_{3}})}_{2}}CHCH{{(C{{H}_{3}})}_{2}}$ is [MP PMT 1986], question_answer8) IUPAC name of the compound is $C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,}}\,}}\,-C{{H}_{2}}-CH(OH)-C{{H}_{3}}$ is [DPMT 1985; MP PMT 1987; AFMC 1997], question_answer9) IUPAC name of the compound is $C{{H}_{3}}-CH=\underset{C{{H}_{2}}-C{{H}_{2}}}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{3}}}}\,}}\,$ [NCERT 1983; MP PMT 1989, 96; BHU 1997], question_answer10) The IUPAC name of $C{{H}_{3}}C\equiv N$is [CPMT 1990], question_answer11) Which compound is 2, 2, 3-trimethylhexane [IIT-JEE 1986], question_answer12) The IUPAC name of $C{{H}_{3}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{3}}$ is [EAMCET 1992], question_answer13) The IUPAC name of $C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}$ will be [MP PMT/PET 1988; Kurukshetra CEE 1998], question_answer14) IUPAC name of ${{(C{{H}_{3}})}_{2}}CH-CH=CH-C{{H}_{3}}$ is [CPMT 1987; AMU 1985], question_answer15) IUPAC name of $C{{H}_{2}}=CH-CH{{(C{{H}_{3}})}_{2}}$ is [IIT-JEE 1987; CBSE PMT 1988; CPMT 1989; MNR 1995; UPSEAT 2001; RPMT 2002], question_answer16) Alicyclic compounds are [CPMT 1976], question_answer17) The IUPAC name of $C{{H}_{3}}C{{H}_{2}}\underset{C{{H}_{3}}\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CHC{{H}_{2}}}}\,}}\,C{{H}_{2}}C{{H}_{3}}$ is [EAMCET 1991], question_answer18) The most appropriate statement regarding organic compounds is, question_answer19) Correct name of the compound $C{{H}_{3}}-\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-C{{H}_{3}}}}\,}}\,$ is [CPMT 1973; MP PMT 1994], question_answer20) General formula of alkyne is [MNR 1983; CPMT 1975, 93; MP PET 1999], question_answer21) IUPAC name of $H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-\underset{H}{\mathop{\underset{|}{\mathop{\overset{Cl}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-Cl$ is [CPMT 1973, 75, 85], question_answer22) Freon-114 used in refrigerator and air conditioners is 1, 2-dichorotetrafluoroethane. I want sample paper for IUPAC nomenclature and answers attached to it for verifying ... November 20, 2016 at 3:50 pm I don’t deal with class 10. however u can find the answers in the IUPAC sheet. | IUPAC stands for International Union of Pure and Applied Chemistry. About Functional Groups: Here, substances are named according to their highest priority conditional groups. Appendix 10 - Organic Nomenclature The rules of the IUPAC system of nomenclature for organic compounds are: 1. of various chemicals. Prefix: Prefix is added in front of the root names of compounds under this nomenclature. The primary suffix is used immediately following the root word. Creating these systematic names is a complicated process. Suffix: Suffix in IUPAC nomenclature refers to the functional group it belongs to and follows the root name. IUPAC’s full form is International Union of Pure and Applied Chemistry. Categorise the substituents, and then organise them in alphabetical order according to their corresponding prefixes. It is probably the most common way of modifying a compound’s root name. A prominent example of its use is the CH3 group, which is known as a methyl group. 2001; UPSEAT 1999, 2002], The IUPAC name of the compound $C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{C\,}}\,=}}\,C{{H}_{2}}C{{H}_{2}}OH$ is [BHU 2001], The IUPAC name of $C{{H}_{3}}C\equiv CCH\,{{(C{{H}_{3}})}_{2}}$is [UPSEAT 2001], Which of the following compound have wrong IUPAC name [AIEEE 2002], If $C{{H}_{4}}$ is known as methane, then ${{C}_{9}}{{H}_{20}}$is known as [Kerala (Med.) 2003], question_answer99) The IUPAC name of following compounds is $\underset{COOH\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{HOOC-C{{H}_{2}}-CH-C{{H}_{2}}-C{{H}_{2}}-COOH}}\,}}\,$ [Kerala CET 2005], question_answer100) Names of some compounds are given. | I’ve put all the class 10 chapters that we have covered into one archive, and you can download it by clicking the links below. Alkynes: Similar to the system mentioned above, when a double bond expands to a triple bond, the suffix ‘-yne’ is used. Lalit Sardana Sir Free Question Bank for JEE Main & Advanced Chemistry Organic Chemistry: Some Basic Principles & Techniques Classification and nomenclature of organic compounds A secondary suffix is written after the primary one. | For example, alkanes, where ‘ane’ is the suffix used just after the root word. The number of organic and inorganic compounds are increasing every day. These are –. For instance, ‘meth’ refers to the chain with one carbon atom, and ‘non’ indicates nine carbon atoms in an organic compound. This consists of 1 mark Questions, 3 Mark Numericals Questions, 5 Marks Numerical Questions and previous year questions from Carbon and its Compounds Chapter. The use of prefix is very useful, as it shows the existence of side chains and substituent groups of an organic molecule. To comply with IUPAC norms, a suffix is used as part of the name of a particular compound. | PMT 1998], question_answer60) IUPAC name of $C{{H}_{3}}-\underset{{{C}_{2}}{{H}_{5}}\,\,}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{\overset{H\,\,\,}{\mathop{\overset{|\,\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{{{C}_{4}}{{H}_{9}}\,\,\,\,\,}{\mathop{\overset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{3}}}}\,}}\,}}\,}}\,$ is [BHU 1998; KCET (Engg./Med) 2000], question_answer61) The IUPAC name of the compound $C{{H}_{3}}-\underset{OH\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C=CH}}\,}}\,-C{{H}_{2}}-COOH$ is [AIIMS 1998], question_answer62) Which is the IUPAC name of $C{{H}_{3}}\underset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\overset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{2}}Cl}}}\,}}}\,$ [KCET (Engg./Med.) Media Ethers: Ethers are known with their common names. | Trivial nomenclature system involves a non-systematic approach while naming any compound. It develops and maintains such data to aid chemists and researchers across the globe. It requires following a step by step method to form a nomenclature of organic compounds. Why Is Nomenclature Vital For Chemistry? Ncert Solutions However, the carbon attached to this group is numbered 1. | Notes However, it may vary from using common and colloquial terminologies to strict rules. Here, ‘ene’ indicates the shift to double bonds. Here we have covered Important Questions on Hydrocarbons for Class 11 Chemistry subject. 3. PMT 99], question_answer28) The IUPAC name of $C{{H}_{3}}C\equiv CCH{{(C{{H}_{3}})}_{2}}$ is [MNR 1993; Pb CET 2004], question_answer29) The IUPAC name of the compound having structure ${{C}_{2}}{{H}_{5}}-\underset{C{{H}_{2}}}{\mathop{\underset{||\,\,\,\,}{\mathop{C-}}\,}}\,\underset{C{{H}_{3}}\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{3}}$ is [AFMC 1990], question_answer30) The IUPAC name of ${{({{C}_{2}}{{H}_{5}})}_{2}}CHC{{H}_{2}}OH$ is [MP PMT 1986; AFMC 1990], question_answer31) IUPAC name of the following compound is $C{{H}_{3}}-\underset{{{C}_{6}}{{H}_{5}}\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{H\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{2}}}}\,}}\,}}\,}}\,-C{{H}_{3}}$ [MP PMT 1986], question_answer32) The IUPAC name of $C{{H}_{3}}CH(C{{H}_{3}})COOH$ is [CPMT 1988; RPMT 2000], question_answer33) IUPAC name of $C{{H}_{3}}-\underset{C{{H}_{2}}C{{H}_{3}}\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-CHO}}\,}}\,$ is [IIT-JEE 1993], question_answer34) The IUPAC name of the compound $C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-C{{H}_{2}}-OH$ is [KCET 1990], question_answer35) The IUPAC name of $C{{H}_{3}}-\underset{OH}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-CHO$ will be [CBSE PMT 1992; JIPMER (Med.)

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