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Ncert Solutions Chemistry Class 11th

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6 months ago

Ncert Solutions Chemistry Class 11th Hydrocarbons

13.4. Write IUPAC names of the products obtained by the ozonolysis of the following compounds:
(i) Pent-2-ene (ii) 3, 4-Dimethylhept-3-ene (iii) 2-Ethylbut-l-ene (iv) 1-Phenylbut-l-ene.

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6 months ago

Ncert Solutions Chemistry Class 11th Classification of Elements and Periodicity in Prop

3.37. Which of the following statements is incorrect in relation to ionization enthalpy?

(a) Ionization enthalpy increases for each successive electron.

(b) The greatest increase in ionization enthalpy is experienced on removal of electrons from core noble gas configuration.

(c) End of valence electrons is marked by a big jump in ionization enthalpy.

(d) Removal of electron from orbitals bearing lower n value is easier than from orbital having higher n value.

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Payal Gupta

Contributor-Level 10

3.37. (d) is incorrect.

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6 months ago

Ncert Solutions Chemistry Class 11th Hydrocarbons

13.3. For the following compounds, write structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated:
(a) C₄H₈ (one double bond) (b) C₅H₈ (one triple bond)

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Vishal Baghel

Contributor-Level 10

(a) Isomers of C₄H₈ having one double bond are:

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6 months ago

Ncert Solutions Chemistry Class 11th Hydrocarbons

13.2. Write IUPAC names of the following compounds:

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Vishal Baghel

Contributor-Level 10

(a) 2-Methykbuut-2-ene

(b) Pent-1-ene-3-yne

(c) But-1,3-diene

(d) 4-Phenylbut-1-ene

(e) 2-Methyl phenol (f) 5- (2-Methylpropyl)decane

(g) 4-Ethyldeca-1,5,8-triene

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6 months ago

Ncert Solutions Chemistry Class 11th Hydrocarbons

13.1. How do you account for the formation of ethane during chlorination of methane?

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Vishal Baghel

Contributor-Level 10

Chlorination of methane is a free radical reaction which occurs by the following mechanism involving initiation, propagation and termination steps:

From the above mechanism, it is evident that during the propagation step, CH₃ free radicals are produced, which may undergo three reactions, i.e., (i), (ii) and (iii). In the chain termination step, the two CH₃ free radicals combine to form ethane (CH₃—CH₃) molecule.

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6 months ago

Ncert Solutions Chemistry Class 11th Environmental chemistry

14.40. Define (a) eutrophication (b) pneumoconiosis (c) Photochemical smog (d) Classical smog

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Vishal Baghel

Contributor-Level 10

(a) Eutrophication: When the growth of algae increases in the surface of water, dissolved oxygen in water is reduced. This phenomenon is known as eutrophication. (Due to this growth of fish gets inhibited).

(b) Pneumoconiosis: It is a disease which irritates lungs. It causes scarring or fibrosis of the lung.

(c) Photochemical smog: Photochemical smog is formed as a result of the photochemical decomposition of nitrogen dioxide and chemical reactions involving hydrocarbons. It takes place during dry warm season in the presence of sunlight. It is oxidising in nature.

(d) C

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