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Chemistry · 2019 · 12 Jan · Shift 1

22 questions from this JEE Main paper

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2019 · 12 Jan · Shift 1
Chemistry

Chemistry · 2019 · 12 Jan · Shift 1

22 questions from this JEE Main paper

Chemical Equilibrium2 questions Aldehydes Ketones and Carboxylic Acids3 questions Coordination Compounds3 questions Hydrocarbons2 questions Compounds Containing Nitrogen1 questions Electrochemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Biomolecules1 questions Periodic Table and Periodicity1 questions Redox Reactions2 questions Solutions1 questions Thermodynamics1 questions Alcohols Phenols and Ethers1 questions Structure of Atom1 questions Basics of Organic Chemistry1 questions

Q1.Two solids dissociate as follows – The total pressure when both the solids dissociated simultaneously is - Includes diagram
Chemistry · Chemical Equilibrium · MCQ
Q2.The major product of the following reaction is – Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q3. $M n_{2} (C O)_{10}$ is an organometallic compound due to the presence of -
Chemistry · Coordination Compounds · MCQ
Q4.In a chemical reaction, the initial concentration of B was 1.5 times of the concentration of A, but the equilibrium concentrations of A and B were found to be equal. The equilibrium constant (K) for the aforesaid chemical reaction is - Includes diagram
Chemistry · Chemical Equilibrium · MCQ
Q5.The major product of the following reaction is Includes diagram
Chemistry · Hydrocarbons · MCQ
Q6.The increasing order of reactivity of the following compounds towards reaction with alkyl halides directly is (A) (B) (C) (D) Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q7.The standard electrode potential $E^{o}$ and its temperature coefficient $(\frac{d E ^{o}}{d T})$ for a cell are 2V and $-$ 5 $\times$ 10 $-$ 4 VK $-$ 1 at 300 K respectively. The cell reaction is $Z n$ (s) + $C u^{2 +}$ …
Chemistry · Electrochemistry · MCQ
Q8.Decomposition of X exhibits a rate constant of 0.05 $μ$ g/year. How many year are required for the decomposition of 5 $μ$ g of X into 2.5 $μ$ g?
Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
Q9.Among the following compounds most basic amino acid is -
Chemistry · Biomolecules · MCQ
Q10.The metal d-orbitals that are directly facing the ligands in $K_{3} [C o (C N)_{6}]$ are -
Chemistry · Coordination Compounds · MCQ
Q11.The element with Z = 120 (not yet discovered) will be an/a -
Chemistry · Periodic Table and Periodicity · MCQ
Q12.The hardness of a water sample (in terms of equivalents of $C a C O_{3}$ ) containing 10–3 M $C a S O_{4}$ is (Molar mass of $C a S O_{4}$ = 136 g mol–1)
Chemistry · Redox Reactions · MCQ
Q13.Freezing point of a 4% aqueous solution of X is equal to freezing point of 12% aqueous solution of Y. If molecular weight of X is A, then molecular weight of Y is -
Chemistry · Solutions · MCQ
Q14.50 mL of 0.5 M oxalic acid is needed to neutralize 25 mL of sodium hydroxide solution. The amount of NaOH in 50 mL of the given sodium hydroxide solution is -
Chemistry · Redox Reactions · MCQ
Q15.For diatomic ideal gas in a closed system, which of the following plots does not correctly describe the relation between various thermodynamic quantities?
Chemistry · Thermodynamics · MCQ
Q16.can not be prepared by - Includes diagram
Chemistry · Alcohols Phenols and Ethers · MCQ
Q17.The correct order for acid strength of compounds : CH $\equiv$ CH, $C H_{3}$ –C $\equiv$ CH and $C H_{2}$ = $C H_{2}$ is as follows
Chemistry · Hydrocarbons · MCQ
Q18.In the following reaction, products A and B are – Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q19.What is the work function of the metal if the light of wavelength 4000 $A \circ$ generates photoelectrons of velocity 6 $\times$ 105 ms–1 from it ? (Mass of electron = 9 $\times$ 10–31 kg; Velocity of light = 3 $\times$ 108…
Chemistry · Structure of Atom · MCQ
Q20.The pair of metal ions that can give a spin only magnetic moment of 3.9 BM for the complex $[M (H_{2} O)_{6}]$ $C l_{2}$ , is -
Chemistry · Coordination Compounds · MCQ
Q21.Among the following four aromatic compounds, which one will have the lowest melting point ?
Chemistry · Basics of Organic Chemistry · MCQ
Q22.In the following reaction : Aldehyde + Alcohol $H C l$ Acetal The best combination is Includes table
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ