Guess Paper Chemistry 2nd Year 2017 Exams
Guess paper for Chemistry 2nd year 2017 exams with all the important questions from each chapter including long questions and short Questions is given below:
Position of hydrogen.oxides hydride and halide.
Periods in periodic table. merits and demerits of mendeleeve’s periodic table. metallic oxides are basic and non metallic are acidic why? what is lanthanide contraction? 2nd electron affinity is exothermic why? hydration energy and it’s factors? Amphoteric oxides. And question number 7 to 13 from exercise.
Peculiar behavior of lithium.
Down cell and diaphragm cell.
Discuss solubility of sulphates and carbonates. Reaction of alkali metals with oxygen and water. Lime mortar. How plaster of Paris is prepared from gypsum. Slacking of lime. Alkali metals are strong reducing agents why? How KO2 can be used by mountaineer? Solution of Na2CO3 is basic why?
And question num 7(b) and 9 (b) from exercise.
Reactions of aluminium and uses.
What is inert pair effect. How borax is prepared by to methods.Uses of borax and boric acid.effect of heat on borax ..Uses of sodium silicate.
CO2 is gas while SiO2 is solid why? Peculiar behavior of carbon. Chemical garden. Why silicones are more proffered over petroleum. What is basic lead and lead chromate. borax bead test. ortho boric acid is mono basic acid why.
What is laughing gas it is prepared.
Aqua regia.Uses of nitric acid.
Reaction of nitric acid with bases carbon,phosphorus,sulphur,Cu ,Zn, Sn.
Reaction of NO2 with water and with phosphorus .ring test. And allotropes of phosphorus.Reaction of P2O3 and P2O5 with cold and hot water.P2O5 as dehydrating agent.similarities and dissimilarities of sulphur and oxygen. Reaction of sulphuric acid( All)
Peculiar behavior of fluorine.properties of halogen halides.
Bleaching powder preparation and reactions.
Uses of halogens.
Halogens are oxidizing agents why? How I2O5 can be used for quantitative analysis of CO. What is available chlorine. Uses of fluorine,chlorine,bromine and iodine separate .
How xenon tetraoxide is prepared. Uses of noble gases.
Question number 4 and 6(b) 8(b) from exercise.
Typical and non typical transition elements. Melting point and its trend. Binding energy and its trend.paramagnetism.why transition elements compounds show colors. What are ligands. What is co ordination sphere. What are chelates. Classification of steel. Galvanizing of zinc. And cathode coating. Chromyl chloride test. How KMnO4 is prepared by two methods.How chromates are converted into dichromates. Write reactions of KMnO4 with oxalic acid ferrous sulphate and KI
Cracking, reforming, geometrical isomerism.
What is peculiar nature of carbon.
How anthracite is prepared?
What is natural gas.
What is functional group? Give examples.
Metamerism.tautomerism.functional group isomerism.
Question 15 from exercise
Acidic nature, halogenation of alkane.kolbe,s electrolytic method,
Friedal Crafts reactions.
Stability of benzene.
Kekule structure and points favoring it.
Differentiate between mono and polycyclic aromatic compounds.
Prepare benzene by 2 methods specially from alkanes.
Prepare glyoxal,oxalic acid,maliec acid benzoic acid and meta nitrochloro benzene from benzene.
SN1 ,SN2 , E1 ,E2.
Reactions of Grignard,s reagent.
Reactivity of alkyl halides.
Prepare alkyl halide by two methods.
Questions 8,12 from exercise.
Preparation of methanol.
Reactions of phenol.
Acidic nature of phenol.
Oxidation and hydration of alcohol.
Question 10,11,12 from exercise
Preparation of formaldehyde and acetaldehyde.
Aldol condensation and cannizaro reaction.
Prepare lactic acid from ethanol.
Addition of sodium sulphite in carbonyl compounds.
Reduction of carbonyl compounds.
Uses of acetaldehyde.
Question num 16,17 from exercise.
Ester formation, acid halide and amide formation.
Reactions of acetic acid.
Reaction of carboxylic acid with bases.
Differentiate between aromatic carboxylic acid and fatty acids.
Amino acids are amphoteric.
Differentiate between polypeptide and protein.
What is zwitter ion.
Prepare acetic acid from ethyne.
Difference between addition and condensation polymerization
Glycogin and starch
Denaturation and importance of protein
Factors effecting enzymes
Diffrentiate between DNA and RNA
Macro and micro nutrients
Phosphorus ki importance and prilling
Best of Luck 🙂