New chat PYQ Library Doubts Rank report

Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →

Chemistry · 2019 · 11 Jan · Shift 2

20 questions from this JEE Main paper

Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.

PYQ Library
JEE Main
Papers
2019 · 11 Jan · Shift 2
Chemistry

Chemistry · 2019 · 11 Jan · Shift 2

20 questions from this JEE Main paper

Haloalkanes and Haloarenes1 questions Basics of Organic Chemistry1 questions Aldehydes Ketones and Carboxylic Acids2 questions Alcohols Phenols and Ethers2 questions Coordination Compounds2 questions Biomolecules1 questions Thermodynamics3 questions Some Basic Concepts of Chemistry1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Compounds Containing Nitrogen1 questions D and F Block Elements1 questions Structure of Atom1 questions Solutions1 questions Periodic Table and Periodicity1 questions

Q1.Which of the following compounds will produce a precipitate with $A g N O_{3}$ ?
Chemistry · Haloalkanes and Haloarenes · MCQ
Q2.In the following compound, the favourable site/s for protonation is/are : Includes diagram
Chemistry · Basics of Organic Chemistry · MCQ
Q3.The major product obtained in the following conversion is Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q4.Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution:
Chemistry · Alcohols Phenols and Ethers · Multiple correct
Q5.The major product of the following reaction is : Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q6.The major product obtained in the following reaction is : Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q7.The coordination number of Th in $K_{4} [T h (C_{2} O_{4})_{4} (O H_{2})_{2}]$ is : (C2O $_{4}^{2 -}$ = Oxalato)
Chemistry · Coordination Compounds · MCQ
Q8.The correct match between Item I and Item II is : Includes table
Chemistry · Biomolecules · MCQ
Q9.For the equilibrium, 2 $H_{2} O$ $⇌$ $H_{3} O^{+}$ + $O H$ $-$ , the value of $Δ$ Go at 298 K is approximately :
Chemistry · Thermodynamics · MCQ
Q10.25 ml of the given HCl solution requires 30 mL of 0.1 M sodium carbonate solution. What is the volume of this HCl solution required to titrate 30 mL of 0.2 M aqueous NaOH solutions ?
Chemistry · Some Basic Concepts of Chemistry · MCQ
Q11.Given the equilibrium constant: KC of the reaction : $C u$ (s) + 2 $A g^{+}$ (aq) $\to$ $C u^{2 +}$ (aq) + 2 $A g$ (s) is 10 $\times$ 1015, calculate the E $_{ce l l}^{0}$ of this reaciton at 298 K [2.303 $\frac{R T}{F}$ at 298 K = 0.059V]
Chemistry · Electrochemistry · MCQ
Q12.The number of bridging $C O$ ligand(s) and Co-Co bond(s) in $C o_{2} (C O)_{8}$ , respectively are :
Chemistry · Coordination Compounds · MCQ
Q13.The reaction 2X $\to$ B is a zeroth order reaction. If the initial concentration of X is 0.2 M, the half-life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be:
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q14.A compound 'X' on treatment with $B r_{2}$ / $N a O H$ , provided $C_{3} H_{9} N$ , which gives positive carbylamine test. Compound 'X' is :
Chemistry · Compounds Containing Nitrogen · MCQ
Q15.The standard reaction Gibbs energy for a chemical reaction at an absolute temperature T is given by $Δ$ rGo = A – BT Where A and B are non-zero constants. Which of the following is TRUE about this reaction?
Chemistry · Thermodynamics · MCQ
Q16. $\underline{A} 4 K O H, O_{2} (G r ee n) 2 \underline{B} + 2 H_{2} O 3 \underline{B} 4 H C l (P u r pl e) 2 \underline{C} + M n O_{2} + 2 H_{2} O 2 \underline{C} H_{2} O . K I (P u r pl e) 2 \underline{A} + 2 K O H + \underline{D}$ …
Chemistry · D and F Block Elements · MCQ
Q17.The reaction, MgO(s) + C(s) $\to$ Mg(s) + CO(g), for which $Δ$ rHo + 491.1 kJ mol–1 and $Δ$ rSo = 198.0 JK–1 mol–1, is not feasible at 298 K. Temperature above which reaciton will be feasible is :
Chemistry · Thermodynamics · MCQ
Q18.The de Broglie wavelength ( $λ$ ) associated with a photoelectron varies with the frequency (v) of the incident radiation as, [v0 is threshold frequency] :
Chemistry · Structure of Atom · MCQ
Q19. $K_{2} H g l_{4}$ is 40% ionised in aqueous solution. The value of its van't Hoff factor (i) is:
Chemistry · Solutions · MCQ
Q20.The correct option with respect to the Pauling electronegativity values of the element is :
Chemistry · Periodic Table and Periodicity · MCQ