Notes for Class 12th Chemistry Ch-2 “Solutions”

The Hetrogeneous Mixtures are called Solutions. EXAMPLE : H2O + Sugar , Water + Salt , Alloys . TYPES OF SOLUTION 1. Binary Solutions : The Solutions which has only 2 components i.e. solute + solvent. CONCENTRATION OF SOLUTION  1. Molarity (M) 2. Molality (m) 3. Mole fraction 4. Normality (N) 5. Formality 6. W/W = … Read more

NCERT Solutions for Class 12 Chemistry Chemistry Part-2 Chapter 12 – Aldehydes, Ketones and Carboxylic Acids

In text : Solutions of Questions on Page Number : 353 Q1 : Write the structures of the following compounds. (i) α-Methoxypropionaldehyde (ii) 3-Hydroxybutanal (iii) 2-Hydroxycyclopentane carbaldehyde (iv) 4-Oxopentanal (v) Di-sec-butyl ketone (vi) 4-Fluoroacetophenone Answer : (i) (ii) (iii) (iv) (v) (vi) Q2 : Write the structures of products of the following reactions; (i) (ii) … Read more

NCERT Solutions for Class 12 Chemistry Chemistry Part-2 Chapter 10 – Haloalkanes and Haloarenes

In text : Solutions of Questions on Page Number : 285 Q1 : Write structures of the following compounds: (i) 2-Chloro-3-methylpentane (ii) 1-Chloro-4-ethylcyclohexane (iii) 4-tert. Butyl-3-iodoheptane (iv) 1,4-Dibromobut-2-ene (v) 1-Bromo-4-sec. butyl-2-methylbenzene Answer : (i) 2-Chloro-3-methyl pentane (ii) 1-Chloro-4-ethylcyclohexane (iii) 4- tert-Butyl-3-iodoheptane (iv) 1, 4-Dibromobut-2-ene (v) 1-Bromo-4-sec-butyl-2-methylbenzene Q2 : Why is sulphuric acid not used during … Read more

NCERT Solutions for Class 12 Chemistry Chemistry Part-1 Chapter 9 – Coordination Compounds

In text : Solutions of Questions on Page Number : 244 Q1 :Write the formulas for the following coordination compounds: (i) Tetraamminediaquacobalt(III) chloride (ii) Potassium tetracyanonickelate(II) (iii) Tris(ethane-1,2-diamine) chromium(III) chloride (iv) Amminebromidochloridonitrito-N-platinate(II) (v) Dichloridobis(ethane-1,2-diamine)platinum(IV) nitrate (vi) Iron(III) hexacyanoferrate(II) Answer : (i) (ii) (iii) (vi) (v) (vi) Q2 :Write the IUPAC names of the following coordination … Read more

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