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NCERT Solutions for Class 12 Chemistry

The NCERT Solutions for CBSE Class 12 Chemistry is a very helpful resource for students preparing for their examinations. These include textbook solutions, live test series and sample papers. These help students to score excellent marks and build a strong foundation. CBSE Class 12 Chemistry includes important chapters and topics which are explained in detail to help students to have a better understanding of the concepts. Class 12 Chemistry experts are involved with the preparation of the NCERT Solutions. Hence the quality of answers will impact your exam preparation and revision.  The questions available in the NCERT books are prepared in relation to CBSE, so there is a great chance of them turning up on the CBSE question papers.

Chapter-10: Haloalkanes and Haloarenes

Question 10.1: Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl ( primary, secondary, ...
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Chapter-12: Aldehydes, Ketones and Carboxylic Acids

Question 12.1: What do you mean by the following terms? Give an example of the reaction. (i) Cyanohydrin (ii) Acetal ...
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Chapter-7: The p Block Elements

Q 1:Briefly describe the general characteristics of Group 15 elements with reference to their oxidation state, electronic configuration, atomic size, ...
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Chapter-13: Amines

Q . 13.1 : Give IUPAC names for the compounds given below & categorize them into primary, secondary & tertiary ...
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Chapter-11: Alcohols, Phenols and Ethers

Q 11.1 : Give IUPAC names of the compounds given below : Solution : (i) 2, 2, 4 -Trimethylpentan - ...
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Posts in category Chemistry

Chapter-10: Haloalkanes and Haloarene...

Chapter-10: Haloalkanes and Haloarenes

Question 10.1: Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl ( primary, secondary, tertiary ), vinyl or aryl halides : (vii) CH3C(Cl)(C2H5)CH2CH3 (viii) CH3CH=C(Cl)CH2CH(CH3)2 (ix) CH3CH=CHC(Br)(CH3)2 (x) p-ClC6H4CH2CH(CH3)2 (xi) m-ClCH2C6H4CH2C(CH3)3 (xii) o-Br-C6H4CH(CH3)CH2CH3 Soln: (i) 2 − Chloro − 3 – methylbutane (Secondary alkyl halide) (ii) 3 − Chloro […]

Chapter-12: Aldehydes, Ketones and Ca...

Chapter-12: Aldehydes, Ketones and Carboxylic Acids

Question 12.1: What do you mean by the following terms? Give an example of the reaction. (i) Cyanohydrin  (ii) Acetal (iii) Semicarbazone  (iv) Aldol (v) Hemiacetal  (vi) Oxime (vii) Ketal  (vii) Imine (ix) 2,4-DNP-derivative  (x) Schiff’s base Answer: (i) Cyanohydrin: Cyanohydrin are organic compounds having the formula RR’C(OH)CN, where R and R’ can be alkyl […]

Chapter-7: The p Block Elements

Chapter-7: The p Block Elements

Q 1:Briefly describe the general characteristics of Group 15 elements with reference to their oxidation state, electronic configuration, atomic size, electronegativity andionisation enthalpy. Answer General trends in group 15 elements (i) Electronic configuration: There are 5 valence electrons for all the elements in group 15. is their general electronic configuration. (ii) Oxidation states: All these […]

Chapter-13: Amines

Chapter-13: Amines

Q . 13.1 : Give IUPAC names for the compounds given below & categorize them into primary, secondary & tertiary amines. (i) ( CH3 )2 CH NH 2 (ii) CH3 ( CH2 )2 NH 2 (iii) CH3 NH CH ( CH3 )2 (iv) ( CH3 )3 CNH 2 (v) C6  H5 NH CH 3 (vi) […]

Chapter-11: Alcohols, Phenols and Eth...

Chapter-11: Alcohols, Phenols and Ethers

Q 11.1 : Give IUPAC names of the compounds given below  : Solution :  (i)  2, 2, 4 -Trimethylpentan – 3 – ol (ii)  5 – Ethylheptane – 2, 4 – diol (iii)  Butane – 2, 3 – diol (iv)  Propane – 1, 2, 3 – triol (v) 2-Methylphenol (vi)  4 – Methyl phenol (vii) […]

Chapter-8: The d and f Block Elements

Chapter-8: The d and f Block Elements

Q 8.1: Write the electronic configuration of: (i) Th4+ (ii) Lu2+ (iii) Ce4+ (iv) Pm3+ (v) Mn2+ (vi) Co2+ (vii) Cu+   (viii) Cr3++ Ans : (i) Th4+: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6s6 Or, [Rn]86 (ii) Lu2+: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 […]

Chapter-9: Coordination Compounds

Chapter-9: Coordination Compounds

Q1. Using Werner’s postulates describe the bonding present in coordination compounds. Ans : ( a ) A metal shows two kinds of valencies viz primary valency and secondary valency.Negative ionssatisfy primary valenciesand secondaryvalencies are filled by bothneutral ions  and negative ions. ( b ) A metal ion has a fixed  amount of secondary valencies about […]

Chapter-1: The Solid State

Chapter-1: The Solid State

Q1. What do you understand by amorphous solids ? Give examples. Ans: Amorphous solids are solids without a regular/ definitive arrangement of its constituent particles (ions, atoms or molecules) and they possess something called the short range order i.e., a regular and periodically repeating arrangement is seen only over short distances, e.g., rubber, glass. Q2. […]

Chapter-6: General Principles and Pro...

Chapter-6: General Principles and Processes of Isolation of Elements

Q1. Explain why hydro-metallurgy can extract copper , but cannot extract zinc. Ans: Copper has  a higher reduction potential than zinc or iron. Thus, in hydro-metallurgy iron and zinc can be used to displace copper from its solution. Fe(s) + Cu2+(aq) ⇒ Fe2+ (aq) + Cu(s) However, in-order to displace zinc a metal more reactive […]

Chapter-14: Biomolecules

Chapter-14: Biomolecules

Q 1. Explain monosaccharide? Ans: Monosaccharides know as simple sugars comprise of one sugar unit that cannot be further broken down into simple sugars. We can classify a monosaccharide on the basis of number of carbon atoms and the functional group present in them. The monosaccharide which contains an aldehyde group is termed as aldoses […]

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