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
Solutions of Questions on Page Number : 448 Question 1: Sleeping pills are recommended by doctors to the patients suffering from sleeplessness but it is not advisable to take its doses without consultation with the doctor, Why? Answer: Most drugs when taken in doses higher than recommended may cause harmful effects and sometimes, may even lead … Read more
In text : Solutions of Questions on Page Number : 428 Q1 : What are polymers? Answer : Polymers are high molecular mass macromolecules, which consist of repeating structural units derived from monomers. Polymers have a high molecular mass (103 – 107 u). In a polymer, various monomer units are joined by strong covalent bonds. … Read more
In text : Solutions of Questions on Page Number : 412 Q1 : Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain. Answer : A glucose molecule contains five -OH groups while a sucrose molecule contains eight -OH groups. Thus, glucose and sucrose … Read more
In text : Solutions of Questions on Page Number : 384 Q1 : Classify the following amines as primary, secondary or tertiary: (i) (ii) (iii) (C2H5)2CHNH2 (iv) (C2H5)2NH Answer : Primary: (i) and (iii) Secondary: (iv) Tertiary: (ii) Q2 : (i) Write structures of different isomeric amines corresponding to the molecular formula, C4H11N (ii) Write … Read more
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
In text : Solutions of Questions on Page Number : 317 Q1 : Classify the following as primary, secondary and tertiary alcohols: (i) (ii) (iii) (iv) (v) (vi) Answer : Primary alcohol → (i), (ii), (iii) Secondary alcohol → (iv), (v) Tertiary alcohol → (vi) Q2 : Identify allylic alcohols in the above examples. Answer … Read more
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
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
In text : Solutions of Questions on Page Number : 212 Q1 : Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element? Answer : Ag has a completely filled 4d orbital (4d10 5s1) in its ground state. Now, silver displays two oxidation … Read more