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Chemistry · 2019 · 10 Apr · Shift 2

22 questions from this JEE Main paper

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JEE Main
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2019 · 10 Apr · Shift 2
Chemistry

Chemistry · 2019 · 10 Apr · Shift 2

22 questions from this JEE Main paper

Basics of Organic Chemistry3 questions Aldehydes Ketones and Carboxylic Acids2 questions Electrochemistry1 questions Coordination Compounds1 questions Ionic Equilibrium1 questions Thermodynamics1 questions Solutions1 questions Some Basic Concepts of Chemistry1 questions Chemical Equilibrium1 questions D and F Block Elements3 questions Structure of Atom1 questions Haloalkanes and Haloarenes2 questions Chemical Kinetics and Nuclear Chemistry1 questions Biomolecules1 questions P Block Elements1 questions Compounds Containing Nitrogen1 questions

Q1.The increasing order of nucleophilicity of the following nucleophiles is : (a) $C H_{3} C O_{2}$ $-$ (b) $H_{2} O$ (c) $C H_{3} S O_{3}$ $-$ (d) $O - H$
Chemistry · Basics of Organic Chemistry · MCQ
Q2.The major product 'Y' in the following reaction is : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q3.Which one of the following graphs between molar conductivity ( $Λ_{m}$ ) versus $C$ is correct ?
Chemistry · Electrochemistry · MCQ
Q4.The crystal field stabilization energy (CFSE) of $[F e (H_{2} O)_{6}] C l_{2}$ and $K_{2} [N i C l_{4}]$ respectively, are :
Chemistry · Coordination Compounds · MCQ
Q5.Which of these factors does not govern the stability of a conformation in acyclic compounds?
Chemistry · Basics of Organic Chemistry · MCQ
Q6.The pH of a 0.02 M $N H_{4} C l$ solution will be : [given Kb ( $N H_{4} O H$ ) = 10–5 and log 2 = 0.301]
Chemistry · Ionic Equilibrium · MCQ
Q7.The difference between $Δ$ H and $Δ$ U ( $Δ$ H – $Δ$ U), when the combustion of one mole of heptane(l) is carried out at a temperature T, is equal to :
Chemistry · Thermodynamics · MCQ
Q8.1 g of a non-volatile non-electrolyte solute is dissolved in 100 g of two different solvents A and B whose ebullioscopic constants are in the ratio of 1 : 5. The ratio of the elevation in their boiling points, $\frac{Δ T _{b} ( A )}{Δ T _{b} ( B )}$ …
Chemistry · Solutions · MCQ
Q9.The minimum amount of $O_{2}$ (g) consumed per gram of reactant is for the reaction : (Given atomic mass : Fe = 56, O = 16, Mg = 24, P = 31, C = 12, H = 1)
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q10.For the reaction, 2 $S O_{2}$ (g) + $O_{2}$ (g) = 2 $S O_{3}$ (g), $Δ$ H = –57.2 kJ mol–1 and KC = 1.7 × 1016 Which of the following statement is incorrect ?
Chemistry · Chemical Equilibrium · MCQ
Q11.The correct order of the first ionization enthalpies is :
Chemistry · D and F Block Elements · MCQ
Q12.The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are :
Chemistry · Structure of Atom · MCQ
Q13.Compound A( $C_{9} H_{10} O$ ) shows positive iodoform test. Oxidation of A with $K M n O_{4}$ / $K O H$ given acid B( $C_{8} H_{6} O_{4}$ ). Anhydride of B is used for the preparation of phenolphthalein. Compound A is:
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q14.The major product 'Y' in the following reactions is : Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q15.For the reaction of $H_{2}$ with $I_{2}$ , the rate constant is 2.5 × 10–4 dm3 mol–1s–1 at 327°C and 1.0 dm3 mol–1 at 527°C. The activation energy for the reaction, in kJ mole–1 is : (R = 8.314 JK–1 mol–1 )
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q16.The INCORRECT statement is :
Chemistry · D and F Block Elements · MCQ
Q17.In chromatography, which of the following statements is incorrect for Rf ?
Chemistry · Basics of Organic Chemistry · MCQ
Q18.Number of stereo centers present in linear and cyclic structures of glucose are respectively :
Chemistry · Biomolecules · MCQ
Q19.The highest possible oxidation states of uranium and plutonium, respectively are :
Chemistry · D and F Block Elements · MCQ
Q20.The noble gas that does not occur in the atmosphere is :
Chemistry · P Block Elements · MCQ
Q21.Which of the following is not a correct method of the preparation of benzylamine from cyanobenzene ?
Chemistry · Compounds Containing Nitrogen · MCQ
Q22.The major product obtained in the given reaction is : Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ