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Chemistry · 2002 · Shift 0

61 questions from this JEE Main paper

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2002 · Shift 0
Chemistry

Chemistry · 2002 · Shift 0

61 questions from this JEE Main paper

Thermodynamics4 questions Ionic Equilibrium3 questions Chemical Equilibrium2 questions Basics of Organic Chemistry6 questions Biomolecules2 questions Chemical Bonding and Molecular Structure6 questions Haloalkanes and Haloarenes1 questions Hydrocarbons3 questions Solutions2 questions D and F Block Elements4 questions Compounds Containing Nitrogen1 questions Periodic Table and Periodicity2 questions Aldehydes Ketones and Carboxylic Acids3 questions Coordination Compounds3 questions Electrochemistry6 questions Redox Reactions1 questions Chemical Kinetics and Nuclear Chemistry6 questions P Block Elements1 questions Some Basic Concepts of Chemistry3 questions Structure of Atom2 questions

Q1.If an endothermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then :
Chemistry · Thermodynamics · MCQ
Q2.For the reactions 2C + $O_{2}$ $\to$ 2 $C O_{2}$ ; $Δ H$ = -393 J 2Zn + $O_{2}$ $\to$ 2 $Z n O$ ; $Δ H$ = -412 J
Chemistry · Thermodynamics · MCQ
Q3.The heat required to raise the temperature of body by 1 K is called :
Chemistry · Thermodynamics · MCQ
Q4.A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is J (Q1 + Q2). This data :
Chemistry · Thermodynamics · MCQ
Q5.1 M NaCL and 1 M HCL are present in an aqueous solution. The solution is
Chemistry · Ionic Equilibrium · MCQ
Q6.Let the solubility of an aqueous solution of $M g (O H)_{2}$ be x then its Ksp is :
Chemistry · Ionic Equilibrium · MCQ
Q7.Species acting as both Bronsted acid and base is :
Chemistry · Ionic Equilibrium · MCQ
Q8.Change in volume of the system does not alter which of the following equilibria?
Chemistry · Chemical Equilibrium · MCQ
Q9.For the reaction $C O$ (g) + (1/2) $O_{2}$ (g) $⇋$ $C O_{2}$ (g), Kp/Kc is :
Chemistry · Chemical Equilibrium · MCQ
Q10.A similarity between optical and geometrical isomerism is that
Chemistry · Basics of Organic Chemistry · MCQ
Q11.The functional group, which is found in amino acid is
Chemistry · Biomolecules · MCQ
Q12.Which of the following does not show geometrical isomerism?
Chemistry · Basics of Organic Chemistry · MCQ
Q13.Arrangement of $(C H_{3})_{3} C^{-}$ , $(C H_{3})_{2} C H^{-}$ , $C H_{3} - C H_{2} -$ when attached to benzyl or an unsaturated group in increasing order of inductive effect is
Chemistry · Basics of Organic Chemistry · MCQ
Q14.In which of the following species is the underlined carbon having sp3 hybridisation?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q15.The reaction : $(C H)_{3} C - B r H_{2} O (C H)_{3} C - O H$
Chemistry · Haloalkanes and Haloarenes · MCQ
Q16.Racemic mixture is formed by mixing two
Chemistry · Basics of Organic Chemistry · MCQ
Q17.Which of these will not react with acetylene ?
Chemistry · Hydrocarbons · MCQ
Q18.What is the product when acetylene reacts with hypochlorous acid ?
Chemistry · Hydrocarbons · MCQ
Q19.In a mixture of A and B, components show negative deviation when :
Chemistry · Solutions · MCQ
Q20.Freezing point of an aqueous solution is (-0.186)oC. Elevation of boiling point of the same solution is Kb = 0.512 oC, Kf = 1.86 oC, find the increase in boiling point.
Chemistry · Solutions · MCQ
Q21.RNA is different from DNA because RNA contains
Chemistry · Biomolecules · MCQ
Q22.How do we differentiate between $F e^{3 +}$ and $C r^{3 +}$ in group III?
Chemistry · D and F Block Elements · MCQ
Q23.When primary amine reacts with chloroform in ethanoic KOH then the product is
Chemistry · Compounds Containing Nitrogen · MCQ
Q24.Which of the following compounds has wrong $I U P A C$ name ?
Chemistry · Basics of Organic Chemistry · MCQ
Q25.Following types of compounds (as $I, I I$ ) are studied in terms of isomerism in : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q26.The correct order of ionic radius is
Chemistry · Periodic Table and Periodicity · MCQ
Q27. $C e^{+ 3}, L a^{+ 3}, P m^{+ 3}$ and $Y b^{+ 3}$ have ionic radial in the increasing order as
Chemistry · Periodic Table and Periodicity · MCQ
Q28. Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q29.Picric acid is :
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q30.The type isomerism present in nitropentammine chromium $(I I I)$ chloride is :
Chemistry · Coordination Compounds · MCQ
Q31.Conductivity (Seimen’s S) is directly proportional to area of the vessel and the concentration of the solution in it and is inversely proportional to the length of the vessel then, then constant of proportionality is expressed in :
Chemistry · Electrochemistry · MCQ
Q32.For the following cell with hydrogen electrodes at two different pressure p1 and p2. What will be the emf for the given cell : $P t (H_{2}) ∣ H^{+} (a q) ∣ P t (H_{2}) p_{1} 1 M p_{2}$ …
Chemistry · Electrochemistry · MCQ
Q33.EMF of a cell in terms of reduction potential of its left and right electrodes is :
Chemistry · Electrochemistry · MCQ
Q34.Which of the following reaction is possible at anode?
Chemistry · Electrochemistry · MCQ
Q35.When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are :
Chemistry · Electrochemistry · MCQ
Q36.Which of the following is a redox reaction ?
Chemistry · Redox Reactions · MCQ
Q37.Units of rate constant of first and zero order reactions in terms of molarity M unit are respectively
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q38.For the reaction A + 2B $\to$ C, rate is given by R = [A] [B]2 then the order of the reaction is
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q39.The differential rate law for the reaction $H_{2}$ + $I_{2}$ $\to$ 2 $H I$ is
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q40.If half-life of a substance is 5 yrs, then the total amount of substance left after 15 years, when initial amount is 64 grams is
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q41. $β$ - particle is emitted in radioactivity by
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q42.The integrated rate equation is Rt = log C0 - log Ct . The straight line graph is obtained by plotting
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q43.Which of the following statements is true?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q44.Oxidation number of Cl in $C a O C l_{2}$ (bleaching powder) is :
Chemistry · P Block Elements · MCQ
Q45.When $K M n O_{4}$ acts as an oxidising agent and ultimately forms $[M n O_{4}]^{2 -}$ , $M n O_{2}$ , $M n_{2} O_{3}$ , $M n^{2 +}$ then the number of electrons transferred in each case respectively is :
Chemistry · D and F Block Elements · MCQ
Q46.Which of the following ions has the maximum magnetic moment?
Chemistry · D and F Block Elements · MCQ
Q47.Most common oxidation states of Ce (cerium) are :
Chemistry · D and F Block Elements · MCQ
Q48.A square planar complex is formed by hybridisation of which atomic orbitals ?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q49.The most stable ion is :
Chemistry · Coordination Compounds · MCQ
Q50. $C H_{3}$ - $M g$ - $B r$ is an organometallic compound due to :
Chemistry · Coordination Compounds · MCQ
Q51.What is B? Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q52.With increase of temperature, which of these changes?
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q53.In a compound C, H and N atoms are present in 9 : 1 : 3.5 by weight . Molecular weight of the compound is 108 g mol-1 . Molecular formula of compound is
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q54.Number of atoms in 558.5 gram Fe (at. wt. of Fe = 55.85 g mol-1) is
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q55.Uncertainty in position of a minute particle of mass 25 g in space is 10-5 m. What is the uncertainty in its velocity (in ms-1) (h = 6.6 $\times$ 10-34 Js)
Chemistry · Structure of Atom · MCQ
Q56.In a hydrogen atom, if energy of an electron in ground state is -13.6 eV, then that in the 2nd excited state is
Chemistry · Structure of Atom · MCQ
Q57.In which of the following species the interatomic bond angle is 109o28' ?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q58.Hybridisation of underline atom changes in
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q59.Which of the following are arranged in an increasing order of their bond strengths?
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q60.Acetylene does not react with :
Chemistry · Hydrocarbons · MCQ
Q61.For a cell given below $Ag^{+} + e^{-} Cu^{2 +} + 2 e^{-} ⟶ Ag; E^{\circ} = x ⟶ Cu; E^{\circ} = y$ $E^{\circ} cell is$ … Includes diagram
Chemistry · Electrochemistry · MCQ