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Chemistry · 2009 · Shift 0

25 questions from this JEE Main paper

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2009 · Shift 0
Chemistry

Chemistry · 2009 · Shift 0

25 questions from this JEE Main paper

Solutions2 questions Basics of Organic Chemistry4 questions Ionic Equilibrium1 questions Thermodynamics1 questions Aldehydes Ketones and Carboxylic Acids2 questions Periodic Table and Periodicity2 questions Biomolecules1 questions Haloalkanes and Haloarenes1 questions Alcohols Phenols and Ethers1 questions Coordination Compounds2 questions D and F Block Elements2 questions Chemical Kinetics and Nuclear Chemistry1 questions Electrochemistry2 questions Chemical Bonding and Molecular Structure1 questions Structure of Atom2 questions

Q1.A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?
Chemistry · Solutions · MCQ
Q2.The number of stereoisomers possible for a compound of the molecular formula $C H_{3}$ - $C H$ = $C H$ - $C H (O H)$ - Me is :
Chemistry · Basics of Organic Chemistry · MCQ
Q3.The alkene that exhibits geometrical isomerism is :
Chemistry · Basics of Organic Chemistry · MCQ
Q4.The IUPAC name of neopentane is
Chemistry · Basics of Organic Chemistry · MCQ
Q5.Arrange the carbanions, $(C H_{3})_{3} \overline{C}$ , $\overline{C} C l_{3}$ , $(C H_{3})_{2} \overline{C} H$ , $C_{6} H_{5} \overline{C} H_{2}$ in order of their decreasing stability :
Chemistry · Basics of Organic Chemistry · MCQ
Q6.Solid $B a (N O_{3})_{2}$ is gradually dissolved in a 1.0 $\times$ 10-4 M $N a_{2} C O_{3}$ solution. At what concentration of $B a^{2 +}$ will a precipitate begin to form ? (Ksp for $B a C O_{3}$ = 5.1 $\times$ 10−9 )
Chemistry · Ionic Equilibrium · MCQ
Q7.On the basis of the following thermochemical data : ( $Δ_{f} G^{o} H_{(a q)}^{+}$ = 0) $H_{2} O$ (l) $\to$ $H^{+}$ (aq) + $O H^{-}$ (aq); $Δ H$ = 57.32 kJ $H_{2}$ (g) + $\frac{1}{2} O_{2} (g) \to$ $H_{2} O$ (l); $Δ H$ = -286.20 kJ The value of enthalpy of…
Chemistry · Thermodynamics · MCQ
Q8.Two liquids X and Y form an ideal solution. At 300K, vapour pressure of the solution containing 1 mol of X and 3 mol of Y is 550 mm Hg. At the same temperature, if 1 mol of Y is further added to this solution, vapour pressure of the…
Chemistry · Solutions · MCQ
Q9.In Cannizzaro reaction given below $2 PhCHO^{(-)} OH PhCH_{2} OH + PhCOO^{-}$ the slowest step is :
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q10.The set representing the correct order of ionic radius is :
Chemistry · Periodic Table and Periodicity · MCQ
Q11.The two functional groups present in a typical carbohydrate are
Chemistry · Biomolecules · MCQ
Q12.Which of the following on heating with aqueous KOH, produces acetaldehyde ?
Chemistry · Haloalkanes and Haloarenes · MCQ
Q13.A liquid was mixed with ethanol and a drop of concentrated $H_{2} S O_{4}$ was added. A compound with a fruity smell was formed. The liquid was :
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q14.The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :
Chemistry · Alcohols Phenols and Ethers · MCQ
Q15.Which of the following has an optical isomer ?
Chemistry · Coordination Compounds · MCQ
Q16.Which of the following pairs represents linkage isomers ?
Chemistry · Coordination Compounds · MCQ
Q17.Knowing that the Chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statements is incorrect?
Chemistry · D and F Block Elements · MCQ
Q18.In context with the transition elements, which of the following statements is incorrect ?
Chemistry · D and F Block Elements · MCQ
Q19.The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2=0.301) :
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q20.In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is $C H_{3} O H$ (l) + 3/2 $O_{2}$ $\to$ $C O_{2}$ (g) + 2 $H_{2} O$ (l) At 298K standard Gibb’s energies of formation for $C H_{3} O H$ (l), $H_{2} O$ (l) and $C O_{2}$ (g)…
Chemistry · Electrochemistry · MCQ
Q21.Given : $E_{F e^{3 +} / F e}^{o}$ = -0.036V; $E_{F e^{2 +} / F e}^{o}$ = -0.439 V The value of standard electrode potential for the change, $F e^{3 +}$ (aq) + e- $\to$ $F e^{2 +}$ (aq) will be
Chemistry · Electrochemistry · MCQ
Q22.Using MO theory, predict which of the following species has the shortest bond length?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q23.In which of the following arrangements, the sequence is not strictly according to the property written against it
Chemistry · Periodic Table and Periodicity · MCQ
Q24.In an atom, an electron is moving with a speed of 600 m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is (h = 6.6 $\times$ 10-34 kg m2s-1, mass of electron, em = 9.1 $\times$ 10-31 kg)
Chemistry · Structure of Atom · MCQ
Q25.Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 x 103 ms−1 (Mass of proton = 1.67 $\times$ 10-27 kg and h = 6.63 $\times$ 10-34 Js) :
Chemistry · Structure of Atom · MCQ