NEET 2024 | NEET Year Wise Previous Years Questions

Biology

Chemistry

1. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 2. The Henry's law constant $$(\mathrm{K}_{\mathrm{H}})$$ values of three gases $$(\mathrm{A}, \mathrm{B}, \mathrm{C})$$ in 3. Given below are two statements: Statement I: The boiling point of hydrides of Group 16 elements follow the order $$\math 4. Intramolecular hydrogen bonding is present in 5. Given below are two statements: Statement I : The boiling point of three isomeric pentanes follows the order n-pentane > 6. The compound that will undergo SN1 reaction with the fastest rate is 7. Which one of the following alcohols reacts instantaneously with Lucas reagent? 8. 1 gram of sodium hydroxide was treated with $$25 \mathrm{~mL}$$ of $$0.75 \mathrm{~M} \mathrm{~HCl}$$ solution, the mass 9. Arrange the following elements in increasing order of first ionization enthalpy: $$\mathrm{Li}, \mathrm{Be}, \mathrm{B}, 10. The most stable carbocation among the following is : 11. Activation energy of any chemical reaction can be calculated if one knows the value of 12. Given below are two statements: Statement I : Aniline does not undergo Friedel-Crafts alkylation reaction. Statement II 13. Arrange the following elements in increasing order of electronegativity: N, O, F, C, Si Choose the correct answer from t 14. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 15. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 16. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 17. Which plot of $$\ln \mathrm{k}$$ vs $$\frac{1}{\mathrm{~T}}$$ is consistent with Arrhenius equation? 18. The energy of an electron in the ground state $$\mathrm{(n=1)}$$ for $$\mathrm{He}^{+}$$ ion is $$\mathrm{-x} \mathrm{~J 19. In which of the following processes entropy increases? A. A liquid evaporates to vapour. B. Temperature of a crystalline 20. Which reaction is NOT a redox reaction? 21. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 22. 'Spin only' magnetic moment is same for which of the following ions? A. $$\mathrm{Ti}^{3+}$$ B. $$\mathrm{Cr}^{2+}$$ C. 23. The highest number of helium atoms is in 24. Among Group 16 elements, which one does NOT show -2 oxidation state? 25. The $$\mathrm{E}^{\circ}$$ value for the $$\mathrm{Mn}^{3+} / \mathrm{Mn}^{2+}$$ couple is more positive than that of $$ 26. The reagents with which glucose does not react to give the corresponding tests/products are A. Tollen's reagent B. Schif 27. Identify the correct reagents that would bring about the following transformation. 28. In which of the following equilibria, $$\mathrm{K}_p$$ and $$\mathrm{K}_{\mathrm{c}}$$ are NOT equal? 29. A compound with a molecular formula of $$\mathrm{C}_6 \mathrm{H}_{14}$$ has two tertiary carbons. Its IUPAC name is : 30. Fehling's solution 'A' is 31. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 32. Given below are two statements : Statement I: Both $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ and $$[\mathrm{CoF}_6]^{3-}$$ 33. On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique 34. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 35. For the reaction $$2 \mathrm{~A} \rightleftharpoons \mathrm{B}+\mathrm{C}, \mathrm{K}_{\mathrm{c}}=4 \times 10^{-3}$$. A 36. The pair of lanthanoid ions which are diamagnetic is 37. Given below are two statements : Statement I : $$[\mathrm{Co}(\mathrm{NH}_3)_6]^{3+}$$ is a homoleptic complex whereas $ 38. Mass in grams of copper deposited by passing 9.6487 A current through a voltmeter containing copper sulphate solution fo 39. For the given reaction: 'P' is 40. The products $$\mathrm{A}$$ and $$\mathrm{B}$$ obtained in the following reactions, respectively, are $$\begin{aligned} 41. The rate of a reaction quadruples when temperature changes from $$27^{\circ} \mathrm{C}$$ to $$57^{\circ} \mathrm{C}$$. 42. During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prev 43. Major products A and B formed in the following reaction sequence, are 44. The plot of osmotic pressure (П) vs concentration $$(\mathrm{mol} \mathrm{~L}^{-1})$$ for a solution gives a straight li 45. Identify the correct answer. 46. Identify the major product C formed in the following reaction sequence : $$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}_2-\m 47. Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to 48. The work done during reversible isothermal expansion of one mole of hydrogen gas at $$25^{\circ} \mathrm{C}$$ from press 49. Consider the following reaction in a sealed vessel at equilibrium with concentrations of $$\mathrm{N}_2=3.0 \times 10^{- 50. A compound X contains $$32 \%$$ of A, $$20 \%$$ of B and remaining percentage of C. Then, the empirical formula of $$\ma

Physics

1. In a vernier callipers, $$(N+1)$$ divisions of vernier scale coincide with $$N$$ divisions of main scale. If $$1 \mathrm 2. If the monochromatic source in Young's double slit experiment is replaced by white light, then 3. A logic circuit provides the output $$Y$$ as per the following truth table : The expression of the output Y is : 4. The terminal voltage of the battery, whose emf is $$10 \mathrm{~V}$$ and internal resistance $$1 \Omega$$, when connecte 5. In a uniform magnetic field of $$0.049 \mathrm{~T}$$, a magnetic needle performs 20 complete oscillations in 5 seconds a 6. A wire of length '$$l$$' and resistance $$100 \Omega$$ is divided into 10 equal parts. The first 5 parts are connected i 7. A horizontal force $$10 \mathrm{~N}$$ is applied to a block $$A$$ as shown in figure. The mass of blocks $$A$$ and $$B$$ 8. A tightly wound 100 turns coil of radius $$10 \mathrm{~cm}$$ carries a current of $$7 \mathrm{~A}$$. The magnitude of th 9. In an ideal transformer, the turns ratio is $$\frac{N_P}{N_S}=\frac{1}{2}$$. The ratio $$V_S: V_P$$ is equal to (the sym 10. The graph which shows the variation of $$\left(\frac{1}{\lambda^2}\right)$$ and its kinetic energy, $$E$$ is (where $$\l 11. Given below are two statements: Statement I: Atoms are electrically neutral as they contain equal number of positive and 12. A bob is whirled in a horizontal plane by means of a string with an initial speed of $$\omega \mathrm{~rpm}$$. The tensi 13. Consider the following statements A and B and identify the correct answer : A. For a solar-cell, the I-V characteristic 14. A thermodynamic system is taken through the cycle $$abcda$$. The work done by the gas along the path $$b c$$ is: 15. A thin spherical shell is charged by some source. The potential difference between the two points $$C$$ and $$P$$ (in V) 16. The moment of inertia of a thin rod about an axis passing through its mid point and perpendicular to the rod is $$2400 \ 17. A particle moving with uniform speed in a circular path maintains: 18. If $$c$$ is the velocity of light in free space, the correct statements about photon among the following are: A. The ene 19. At any instant of time $$t$$, the displacement of any particle is given by $$2 t-1$$ ($$\mathrm{SI}$$ unit) under the in 20. A light ray enters through a right angled prism at point $$P$$ with the angle of incidence $$30^{\circ}$$ as shown in fi 21. In the following circuit, the equivalent capacitance between terminal A and terminal B is : 22. The quantities which have the same dimensions as those of solid angle are: 23. The maximum elongation of a steel wire of $$1 \mathrm{~m}$$ length if the elastic limit of steel and its Young's modulus 24. In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced curren 25. The mass of a planet is $$\frac{1}{10}$$th that of the earth and its diameter is half that of the earth. The acceleratio 26. Match List I with List II: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol 27. An unpolarised light beam strikes a glass surface at Brewster's angle. Then 28. Match List I with List II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:soli 29. Two bodies $$A$$ and $$B$$ of same mass undergo completely inelastic one dimensional collision. The body $$A$$ moves wit 30. $$ { }_{82}^{290} X \xrightarrow{\alpha} Y \xrightarrow{e^{+}} Z \xrightarrow{\beta^{-}} P \xrightarrow{e^{-}} Q $$ In t 31. If $$x=5 \sin \left(\pi t+\frac{\pi}{3}\right) \mathrm{m}$$ represents the motion of a particle executing simple harmoni 32. A thin flat circular disc of radius $$4.5 \mathrm{~cm}$$ is placed gently over the surface of water. If surface tension 33. $$ \text { The output ( } Y \text { ) of the given logic gate is similar to the output of an/a } $$ 34. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The p 35. A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is $$v$$ in the d 36. A parallel plate capacitor is charged by connecting it to a battery through a resistor. If $$I$$ is the current in the c 37. The property which is not of an electromagnetic wave travelling in free space is that: 38. A small telescope has an objective of focal length $$140 \mathrm{~cm}$$ and an eye piece of focal length $$5.0 \mathrm{~ 39. Two heaters $$A$$ and $$B$$ have power rating of $$1 \mathrm{~kW}$$ and $$2 \mathrm{~kW}$$, respectively. Those two are 40. The following graph represents the $$T$$-$$V$$ curves of an ideal gas (where $$T$$ is the temperature and $$V$$ the volu 41. The velocity $$(v)-$$ time $$(t)$$ plot of the motion of a body is shown below: The acceleration $$(a)-$$ time $$(t)$$ 42. Choose the correct circuit which can achieve the bridge balance. 43. If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its ori 44. The minimum energy required to launch a satellite of mass $$m$$ from the surface of earth of mass $$M$$ and radius $$R$$ 45. A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to: A. hold the sheet th 46. A $$10 \mu \mathrm{F}$$ capacitor is connected to a $$210 \mathrm{~V}, 50 \mathrm{~Hz}$$ source as shown in figure. The 47. A metallic bar of Young's modulus, $$0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}$$ and coefficient of linear thermal 48. An iron bar of length $$L$$ has magnetic moment $$M$$. It is bent at the middle of its length such that the two arms mak 49. If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then A. the charge sto 50. A force defined by $$F=\alpha t^2+\beta t$$ acts on a particle at a given time $$t$$. The factor which is dimensionless,

NEET 2024

MCQ (Single Correct Answer)

-1

For the given reaction:

NEET 2024 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 English

'P' is

NEET 2024 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 3 English Option 2

NEET 2024

MCQ (Single Correct Answer)

-1

The products $$\mathrm{A}$$ and $$\mathrm{B}$$ obtained in the following reactions, respectively, are

$$\begin{aligned} & 3 \mathrm{ROH}+\mathrm{PCl}_3 \rightarrow 3 \mathrm{RCl}+\mathrm{A} \\ & \mathrm{ROH}+\mathrm{PCl}_5 \rightarrow \mathrm{RCl}+\mathrm{HCl}+\mathrm{B} \end{aligned}$$

$$\mathrm{POCl}_3$$ and $$\mathrm{H}_3 \mathrm{PO}_3$$

$$\mathrm{POCl}_3$$ and $$\mathrm{H}_3 \mathrm{PO}_4$$

$$\mathrm{H}_3 \mathrm{PO}_4$$ and $$\mathrm{POCl}_3$$

$$\mathrm{H}_3 \mathrm{PO}_3$$ and $$\mathrm{POCl}_3$$

NEET 2024

MCQ (Single Correct Answer)

-1

The rate of a reaction quadruples when temperature changes from $$27^{\circ} \mathrm{C}$$ to $$57^{\circ} \mathrm{C}$$. Calculate the energy of activation.

Given $$\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}, \log 4=0.6021$$

$$38.04 \mathrm{~kJ} / \mathrm{mol}$$

$$380.4 \mathrm{~kJ} / \mathrm{mol}$$

$$3.80 \mathrm{~kJ} / \mathrm{mol}$$

$$3804 \mathrm{~kJ} / \mathrm{mol}$$

NEET 2024

MCQ (Single Correct Answer)

-1

During the preparation of Mohr's salt solution (Ferrous ammonium sulphate), which of the following acid is added to prevent hydrolysis of $$\mathrm{Fe}^{2+}$$ ion?

dilute hydrochloric acid

concentrated sulphuric acid

dilute nitric acid

dilute sulphuric acid

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2024