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Chemistry · 2018 · Shift 2

18 questions from this JEE Advanced paper

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JEE Advanced
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2018 · Shift 2
Chemistry

Chemistry · 2018 · Shift 2

18 questions from this JEE Advanced paper

Isolation of Elements1 questions Biomolecules1 questions D and F Block Elements1 questions P Block Elements1 questions Coordination Compounds2 questions Some Basic Concepts of Chemistry1 questions Compounds Containing Nitrogen1 questions Thermodynamics2 questions Basics of Organic Chemistry1 questions Aldehydes Ketones and Carboxylic Acids2 questions Chemical Kinetics and Nuclear Chemistry2 questions Electrochemistry1 questions Ionic Equilibrium1 questions Alcohols Phenols and Ethers1 questions

Q1.Galena (an ore) is partially oxidized by passing air through it at high temperature. After some time, the passage of air is stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight…
Chemistry · Isolation of Elements · Numerical
Q2.The Fischer presentation of $D$ -glucose is given below. The correct structure(s) of $β$ - $L$ -glucopyranose is (are) : Includes diagram
Chemistry · Biomolecules · Multiple correct
Q3.The correct option(s) to distinguish nitrate salts of $M n^{2 +}$ and $C u^{2 +}$ taken separately is (are)
Chemistry · D and F Block Elements · Multiple correct
Q4.The total number of compounds having at least one bridging oxo group among the molecules given below is . $N_{2} O_{3}, N_{2} O_{5}, P_{4} O_{6}, P_{4} O_{7}, H_{4} P_{2} O_{5}, H_{5} P_{3} O_{10}, H_{2} S_{2} O_{3}, H_{2} S_{2} O_{5}$ …
Chemistry · P Block Elements · Numerical
Q5.The correct option(s) regarding the complex $[C o (e n) (N H_{3})_{3} (H_{2} O)]^{3 +} (e n = H_{2} N C H_{2} C H_{2} N H_{2})$ is (are)
Chemistry · Coordination Compounds · Multiple correct
Q6.To measure the quantity of $M n C l_{2}$ dissolved in an aqueous solution, it was completely converted to $K M n O_{4}$ using the reaction, $M n C l_{2} + K_{2} S_{2} O_{8} + H_{2} O \to K M n O_{4} + H_{2} S O_{4} + H C l$ (equation not balanced). Few…
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q7.Aniline reacts with mixed acid (conc. $H N O_{3}$ and conc. $H_{2} S O_{4}$ ) at $288 K$ to give P $(51%),$ Q $(47%)$ and R $(2%) .$ The major product(s) of the following reaction sequence… Includes diagram
Chemistry · Compounds Containing Nitrogen · Multiple correct
Q8.The surface of copper gets tarnished by the formation of copper oxide. $N_{2}$ gas was passed to prevent the oxide formation during heating of copper at $1250 K .$ However, the $N_{2}$ gas contains $1$ mole % of water vapor as impurity. The…
Chemistry · Thermodynamics · Numerical
Q9.For the given compound $X,$ the total number of optically active stereoisomers is . Includes diagram
Chemistry · Basics of Organic Chemistry · Numerical
Q10.In the following reaction sequence, the amount of $D$ (in g) formed from $10$ moles of acetophenone is . (Atomic weights in $g m o l^{- 1} : H = 1, C = 12, N = 14, O = 16, B r = 80.$ . The yield (%) corresponding to the… Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
Q11.For a first order reaction $A (g) \to 2 B (g) + C (g)$ at constant volume and $300 K,$ the total pressure at the beginning $(t = 0)$ and at time $t$ are $P_{0}$ and $P_{1},$ respectively. Initially, only $A$ …
Chemistry · Chemical Kinetics and Nuclear Chemistry · Multiple correct
Q12.Consider an electrochemical cell : $A (s) ∣ A^{n +} (a q, 2 M) ∣ B^{2 n +} (a q, 1 M) ∣ B (s) .$ The value of $Δ H^{\circ}$ for the cell reaction is twice…
Chemistry · Electrochemistry · Numerical
Q13.Consider the following reversible reaction, $A (g) + B (g) \to A B (g) .$ The activation energy of the backward reaction exceeds that of the forward reaction by $2 R T$ (in $J m o l^{- 1}$ ). If the…
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q14.Match each set of hybrid orbitals from LIST - A with complex(es) given in LIST - B The correct option is Includes table
Chemistry · Coordination Compounds · MCQ
Q15.Dilution processes of different aqueous solutions, with water, are given in LIST - I. The effects of dilution of the solutions on $[H^{+}]$ are given in LIST - II (Note: Degree of dissociation (a) of weak acid and weak… Includes table
Chemistry · Ionic Equilibrium · MCQ
Q16.The desired product $X$ can be prepared by reacting the major product of the reactions in LIST-I with one or more appropriate reagents in LIST-II (given, order of migratory aptitude: aryl > alkyl > hydrogen) The correct option is Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q17.LIST-I contains reactions and LIST-II contains major products. Match the reaction in LIST-I with one or more products in LIST-II and choose the correct option. Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q18.For a reaction, $A ⇌ P,$ the plots of $[A]$ and $[P]$ with time at temperature $T_{1}$ and $T_{2}$ are given below. If $T_{2} > T_{1},$ the correct statement(s) is (are) (Assume $Δ H^{\circ}$ … Includes diagram
Chemistry · Thermodynamics · Multiple correct