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The Solid State

NCERT Solutions for class XII Chemistry chapter 1 The solid state. from NCERT text book prescribes for class 12 chemistry.The chapter covered What makes a glass different from a solid such as quartz? Under what conditions could quartz be converted into glass? How can you determine the atomic mass of an unknown metal if you know its density and the dimension of its unit cell? Explain.

Solutions

NCERT Solutions for class XII Chemistry chapter 2 Solutions In-text Questions from NCERT text book prescribes for class 12 chemistry.The chapter covered Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride. The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. Also find the composition of the vapour phase.

Electro chemistry

NCERT Solutions for class XII Chemistry chapter 3 Electro chemistry In-text Questions.from NCERT text book prescribes for class 12 chemistry.The chapter covered  Consult the table of standard electrode potentials and suggest three substances that can oxidise ferrous ions under suitable conditions. If a current of 0.5 ampere flows through a metallic wire for 2 hours, then how many electrons would flow through the wire? Write the chemistry of recharging the lead storage battery, highlighting all the materials that are involved during recharging.

Chemical kinetics

NCERT Solutions for class XII Chemistry chapter 4 Chemical kinetics In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered The conversion of molecules X to Y follows second order kinetics. If concentration of X is increased to three times how will it affect the rate of formation of Y? A first order reaction has a rate constant 1.15 x 10-3. How long will 5 g of this reactant take to reduce to 3 g?

Surface Chemistry

NCERT Solutions for class XII Chemistry chapter 5 Surface chemistry In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered  Why are powdered substances more effective adsorbents than their crystalline forms? Why is the ester hydrolysis slow in the beginning and becomes faster after sometime? Why is it essential to wash the precipitate with water before estimating it quantitatively? 

General principle and processes of isolation of elements

NCERT Solutions for class XII Chemistry chapter 6 General principle and processes of isolation of elements In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered  What criterion is followed for the selection of the stationary phase in chromatography? Write chemical reactions taking place in the extraction of zinc from zinc blende. Name the common elements present in the anode mud in electrolytic refining of copper. Why are they so present?

The p block elements

NCERT Solutions for class XII Chemistry chapter 7 The p block elements In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered Mention the conditions required to maximize the yield of ammonia. Write the order of thermal stability of the hydrides of Group 16 elements. What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?

The d and f block elements

NCERT Solutions for class XII Chemistry chapter 8 The d and f block elements In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered Which of the 3d series of the transition metals exhibits the largest number of oxidation states and why? How would you account for the irregular variation of ionization enthalpies (first and second) in the first series of the transition elements?

Coordination Compounds

NCERT Solutions for class XII Chemistry chapter 9 Coordination Compounds In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered  Indicate the types of isomerism exhibited by the following complexes and draw the structures for these isomers. The hexaquo manganese (II) ion contains five unpaired electrons, while the hexacyanoion contains only one unpaired electron. Explain using Crystal Field Theory.

Haloalkanes and haloarenes

NCERT Solutions for class XII Chemistry chapter 10 Haloalkanes and haloarenes In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered Why is sulphuric acid not used during the reaction of alcohols with KI? Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

alcohol phenol and ether

NCERT Solutions for class XII Chemistry chapter 11 alcohol phenol and ether. from NCERT text book prescribes for class 12 chemistry.The chapter covered Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.What is meant by hydroboration-oxidation reaction? Illustrate it with an example. Give the structures and IUPAC names of monohydric phenols of molecular formula, .

aldehydes ketones and carboxylic acid

NCERT Solutions for class XII Chemistry chapter 12 aldehydes ketones and carboxylic acid In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered Write the structures of products of the following reactions; Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions. Show how each of the following compounds can be converted to benzoic acid.

Amines

NCERT Solutions for class XII Chemistry chapter 13 Amines In-text Questions.from NCERT text book prescribes for class 12 chemistry.The chapter covered  Write structures of different isomeric amines corresponding to the molecular formula, Write IUPAC names of all the isomers. What type of isomerism is exhibited by different pairs of amines? Complete the following acid-base reactions and name the products:

Biomolecules

NCERT Solutions for class XII Chemistry chapter 14 Biomolecules In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered Glucose or sucrose are soluble in water but cyclohexane or benzene (simple six membered ring compounds) are insoluble in water. Explain. How do you explain the absence of aldehyde group in the pentaacetate of D-glucose? The melting points and solubility in water of amino acids are generally higher than that of the corresponding halo acids. Explain.

Polymers

NCERT Solutions for class XII Chemistry chapter 15 Polymers In-text Questions. from NCERT Exemplar text book prescribes for class 12 Chemistry.The chapter covered Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polythene. Classify the following as addition and condensation polymers: Terylene, Bakelite, Polyvinyl chloride, Polyethene.

Chemistry in everyday life

NCERT Solutions for class XII Chemistry chapter 16 Chemistry in everyday life In-text Questions. from NCERT text book prescribes for class 12 chemistry.The chapter covered  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? With reference to which classification has the statement, 'ranitidine is an antacid" been given?Write the chemical equation for preparing sodium soap from glyceryl oleate and glyceryl palmitate. Structural formulae of these compounds are given below.



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