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Chemistry · 2023 · 30 Jan · Shift 1

22 questions from this JEE Main paper

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2023 · 30 Jan · Shift 1
Chemistry

Chemistry · 2023 · 30 Jan · Shift 1

22 questions from this JEE Main paper

Coordination Compounds2 questions Hydrocarbons1 questions Salt Analysis1 questions Biomolecules1 questions Aldehydes Ketones and Carboxylic Acids3 questions D and F Block Elements2 questions Chemical Bonding and Molecular Structure2 questions Haloalkanes and Haloarenes1 questions Compounds Containing Nitrogen1 questions Periodic Table and Periodicity1 questions Some Basic Concepts of Chemistry1 questions Chemical Kinetics and Nuclear Chemistry1 questions Ionic Equilibrium1 questions Thermodynamics1 questions Electrochemistry1 questions Solutions1 questions Structure of Atom1 questions

Q1.To inhibit the growth of tumours, identify the compounds used from the following : A. EDTA B. Coordination Compounds of Pt C. D - Penicillamine D. Cis - Platin Choose the correct answer from the option given below :
Chemistry · Coordination Compounds · MCQ
Q2.The major products 'A' and 'B', respectively, are Includes diagram
Chemistry · Hydrocarbons · MCQ
Q3.In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis?
Chemistry · Salt Analysis · MCQ
Q4.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Ketoses give Seliwanoff's test faster than Aldoses. Reason (R) : Ketoses undergo $β$ -elimination followed by…
Chemistry · Biomolecules · MCQ
Q5.What is the correct order of acidity of the protons marked $A - D$ in the given compounds ? Includes diagram
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q6.Which of the following is correct order of ligand field strength?
Chemistry · Coordination Compounds · MCQ
Q7.Which of the following compounds would give the following set of qualitative analysis ? (i) Fehling's Test : Positive (ii) Na fusion extract upon treatment with sodium nitroprusside gives a blood red colour but not prussian blue.
Chemistry · Aldehydes Ketones and Carboxylic Acids · MCQ
Q8.During the qualitative analysis of $SO_{3}^{2 -}$ using dilute $H_{2} SO_{4}, SO_{2}$ gas is evolved which turns $K_{2} Cr_{2} O_{7}$ solution (acidified with dilute $H_{2} SO_{4}$ …
Chemistry · D and F Block Elements · MCQ
Q9.For $OF_{2}$ molecule consider the following : A. Number of lone pairs on oxygen is 2 . B. FOF angle is less than $104. 5^{\circ}$ . C. Oxidation state of $O$ is $- 2$ . D. Molecule is bent ' $V$ ' shaped. E. Molecular…
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q10.Match List I with List II Choose the correct answer from the options given below : Includes table Includes diagram
Chemistry · Haloalkanes and Haloarenes · MCQ
Q11.Benzyl isocyanide can be obtained by : A. B. C. D. Choose the correct answer from the options given below : Includes diagram
Chemistry · Compounds Containing Nitrogen · MCQ
Q12.Match List I with List II Choose the correct answer from the options given below : Includes table
Chemistry · Periodic Table and Periodicity · MCQ
Q13.Match List I with List II Choose the correct answer from the options given below : Includes table
Chemistry · Chemical Bonding and Molecular Structure · MCQ
Q14.Some amount of dichloromethane $(CH_{2} Cl_{2})$ is added to $(CHCl_{3})$ of chloroform $(CHCl_{3})$ to prepare $2.6 \times 1 0^{- 3} M$ solution of $CH_{2} Cl_{2} (DCM)$ …
Chemistry · Some Basic Concepts of Chemistry · Numerical
Q15.If compound A reacts with B following first order kinetics with rate constant $2.011 \times 1 0^{- 3} s^{- 1}$ . The time taken by $A$ (in seconds) to reduce from $2 g$ to will be …
Chemistry · Chemical Kinetics and Nuclear Chemistry · Numerical
Q16. $0.01 M HCl$ of $0.01 M HCl$ is mixed with $0.01 M H_{2} SO_{4}$ of $0.01 M H_{2} SO_{4}$ . The $pH$ of the mixture is $\times 1 0^{- 2}$ . (Nearest integer)…
Chemistry · Ionic Equilibrium · Numerical
Q17.When 2 litre of ideal gas expands isothermally into vacuum to a total volume of 6 litre, the change in internal energy is J. (Nearest integer)
Chemistry · Thermodynamics · Numerical
Q18.Consider the cell $Pt_{(s)} ∣ H_{2} (g, 1 atm) ∣ H^{+} (aq, 1 M) ∣∣ Fe^{3 +} (aq), Fe^{2 +} (aq) ∣ Pt (s)$ …
Chemistry · Electrochemistry · Numerical
Q19.A trisubstituted compound ' $A$ ', $C_{10} H_{12} O_{2}$ gives neutral $FeCl_{3}$ test positive. Treatment of compound 'A' with $NaOH$ and $CH_{3} Br$ gives $C_{11} H_{14} O_{2}$ …
Chemistry · Aldehydes Ketones and Carboxylic Acids · Numerical
Q20.The number of electrons involved in the reduction of permanganate to manganese dioxide in acidic medium is .
Chemistry · D and F Block Elements · Numerical
Q21.A solution containing $20 g$ of a non-volatile solute in $373.52 K$ of water boils at $g mol^{- 1}$ . The molecular mass of the solute is $g mol^{- 1}$ . (Nearest integer)…
Chemistry · Solutions · Numerical
Q22.The energy of one mole of photons of radiation of frequency $2 \times 1 0^{12} Hz$ in $J mol^{- 1}$ is . (Nearest integer) [Given : $h = 6.626 \times 1 0^{- 34} Js$ $N_{A} = 6.022 \times 1 0^{23} mol^{- 1}$ …
Chemistry · Structure of Atom · Numerical