Which of the following is a correct name according to the IUPAC rules? (a) 2-Methylcyclohexane (b) 2-Ethyl-2-methylpentane (c) 3,4-Dimethylpentane (d) 3-Ethyl-2-methylpentane

Which of the following is a correct name according to the IUPAC rules?
(a) 2-Methylcyclohexane
(b) 2-Ethyl-2-methylpentane
(c) 3,4-Dimethylpentane
(d) 3-Ethyl-2-methylpentane
by

1 Answer

Answer :

3-Ethyl-2-methylpentane
by

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Which hydrocarbon molecule with eight carbons would produce the lowest octane number (i.e., the most knocking) when used as a fuel in automobile? (a) 2-Methyl-3,3-dimethylpentane (b) n-Octane (c) 2-Isopropylpentane (d) 2-Methylheptane

Description : Which hydrocarbon molecule with eight carbons would produce the lowest octane number (i.e., the most knocking) when used as a fuel in automobile? (a) 2-Methyl-3,3-dimethylpentane (b) n-Octane (c) 2-Isopropylpentane (d) 2-Methylheptane

Last Answer : n-Octane

Name the following coordination compounds according to IUPAC system of nomenclature :(i) [Co(NH3)4 (H2O)Cl]Cl2 (ii) [CrCl2(en)2]Cl, (en = ethane – 1, 2 – diamine) -Chemistry

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Last Answer : (i) [CO(NH3)4 (H2O)Cl]Cl2 Tetraammine aquachlorido cobalt (III) chloride (ii) [CrCl2(en)2]Cl Dichlorobis (ethane-1, 2-diamine) chromium (III) chloride

Which of the following has highest boiling point and why?(L-II) (a) 2 methylpentane (b) 2,3 dimethyl butane (c) 2,2 dimythylbutane

Description : Which of the following has highest boiling point and why?(L-II) (a) 2 methylpentane (b) 2,3 dimethyl butane (c) 2,2 dimythylbutane

Last Answer : Ans. As the branching increases, surface area decreases. As a result, magnitude of Vander Waals forces of attraction decreases and hence the boiling point decreases. Thus, the overall order of decreasing boiling point is: 2 methylpentane (333k) > 2,3 dimethylbutane (331k) > 2,2 dimethylbutane(323k)

What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol

Addition of HCl to 3-methyl-1-pentene gives two products. One of these is 2-chloro-3-methylpentane. What is the other product? (a) 1-Chloro-3-methylpentane (b) 3-Chloro-3-methylpentane (c) 3-Chloro-2-methylpentane (d) 2-Chloro-2-methylpentane

Description : Addition of HCl to 3-methyl-1-pentene gives two products. One of these is 2-chloro-3-methylpentane. What is the other product? (a) 1-Chloro-3-methylpentane (b) 3-Chloro-3-methylpentane (c) 3-Chloro-2-methylpentane (d) 2-Chloro-2-methylpentane

Last Answer : 3-Chloro-3-methylpentane

What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Description : What is the major product from the acid-catalyzed hydration of 2-methyl-2- pentene? (a) 2-methylpentane (b) 2-methyl-1-pentanol (c) 2-methyl-2-pentanol (d) 2-methyl-3-pentanol

Last Answer : 2-methyl-2-pentanol

Consider the three isomeric alkanes n-hexane, 2,3-dimethylbutane, and 2- methylpentane. Which of the following correctly lists these compounds in order of increasing boiling point? (a) 2,3-dimethylbutane < 2-methylpentane < n-hexane (b) 2-methylpentane < n-hexane < 2,3-dimethylbutane (c) 2-methylpentane < 2, 3-dimethylbutane < n-hexane (d) n-hexane < 2-methylpentane < 2,3-dimethylbutane

Description : Consider the three isomeric alkanes n-hexane, 2,3-dimethylbutane, and 2- methylpentane. Which of the following correctly lists these compounds in order of increasing boiling point? (a) 2,3-dimethylbutane < 2- ... < 2, 3-dimethylbutane < n-hexane (d) n-hexane < 2-methylpentane < 2,3-dimethylbutane

Last Answer : 2,3-dimethylbutane < 2-methylpentane < n-hexane

2,3-Dimethyl-2-butene undergoes catalytic hydrogenation to give (a) 2,3-Dimethylbutane (b) 2-Methylpentane (c) 2,2-Dimethylbutane (d) 3-Methylpentane

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Last Answer : 2,3-Dimethylbutane

Which molecular formula indicates 2-methylpentane? (a) C5H12(b) C6H14(c) C5H10(d) C6H12

Description : Which molecular formula indicates 2-methylpentane? (a) C5H12 (b) C6H14 (c) C5H10 (d) C6H12

Last Answer : C6H14

2-methylpentane is :

Description : 2-methylpentane is :

Last Answer : 2-methylpentane is : A. B. C. D.

2-methylpentane is :

Description : 2-methylpentane is :

Last Answer : 2-methylpentane is : A. B. C. D.

The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is :

Description : The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is :

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Last Answer : (a) K3[Al(C2O4)3] (b) [Co(Cl)2(en)2]+

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Description : When a co-ordination compound CrCl3.6H2O is mixed with AgNO3, 2 moles of AgCl are precipitated per mole of the compound. Write (i) Structural formula of the complex. (ii) IUPAC name of the complex. -Chemistry

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Write IUPAC name of the complex: -Chemistry

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Write the IUPAC name of the following complex : [CO(NH3)6]3+ -Chemistry

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What is IUPAC ?

Description : What is IUPAC ?

Last Answer : International Union of Pure and Applied Chemistry is the full form of IUPAC . This body formulates a useful rule for naming organic compounds.

(3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is an odorless, colourless, syrupy, sweettasting liquid. Ethylene glycol is toxic, and ingestion can result in death. Due to its low freezing point ethylene glycol resists freezing. A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).

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Write the metamer of diethyl ether. What is its IUPAC name?

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Description : Write the IUPAC name of [CO (NH3 ) 4 B12] 2 [ZnCl4 ].

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Last Answer : 4-methyl-2-pentanol

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IUPAC name of complex ion `[CrCl_(2)(ox)_(2)]^(3-)` is

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The IUPAC name of complex `[Cu(en)_(2)(H_(2)O)_(2)]^(22+)`

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IUPAC name of complex `K_(3)[Al(C_(2)O_(4))_(3)]` is

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