RE-NEET 2026

For an elementary chemical reaction, the Arrhenius plot is given below.
If the energy of activation is $6.64 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $\mathrm{R}=8.3 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$, the temperature at which the...

The formula of tetraammineaquachloridocobalt(III) chloride is

The complex which has facial and meridional isomers is
(Given : py = pyridine and en = $\mathrm{H}_2 \mathrm{~N}-\mathrm{CH}_2-\mathrm{CH}_2-\mathrm{NH}_2$ )

A $1: 3$ electrolyte in an aqueous solution is

According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength is

Given below are two statements:
Statement-I : $\left[\mathrm{Fe}(\mathrm{ox})_3\right]^{3-}$ is chiral.
Statement-II : trans $-\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_2(\mathrm{ox})_2\right]^{-}$is chiral.
(Given : $\mathrm{ox...

Among the species given below, the spin-only magnetic moment is highest for (Given: Atomic number of $\mathrm{Ti}=22, \mathrm{Mn}=25, \mathrm{Fe}=26$ and $\mathrm{Co}=27$ )

The green paramagnetic species formed by heating $\mathrm{KMnO}_4$ at 513 K is

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Generally, $3 d$ transition metals have high melting points.
Reason R: Involvement of $3 d$-electrons in addition to $4 s$-el...

The lanthanide ion having four unpaired electrons is (Given : Atomic numbers of $\mathrm{Ce}=58, \mathrm{Nd}=60, \mathrm{~Tb}=65$ and $\mathrm{Ho}=67$ )

For a salt XY, which is a strong electrolyte, the plot of $\Lambda_{\mathrm{m}}$ versus $\sqrt{\mathrm{c}}$ has a slope of $-90.0 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-3 / 2} \mathrm{L}^{1 / 2}$ at 298 K . At 0.01 M concentration of $\...

The standard electrode potential ( $\mathrm{E}^{\circ}$ ) for the half-cell reaction $\mathrm{Fe}^{3+}+\mathrm{e}^{-} \rightarrow \mathrm{Fe}^{2+}$ at 298 K is (Given : $\mathrm{E}^{\circ}\left(\mathrm{Fe}^{3+} / \mathrm{Fe}\right)=-0.04 \m...

Among the following, the compound having conjugated double bonds is

Consider the following reaction sequences and choose the correct option.

Given below are two statements :
Statement I : trans-But-2-ene upon treatment with $\mathrm{Br}_2$ in $\mathrm{CCl}_4$ gives the following product.

$$ \text { Statement II : cis-But-2-ene upon treatment with alkaline } \mathrm{KMnO}_4 \tex...

\(\text { The correct order of solubility of the given salts in water at } 298 \mathrm{~K} \text { is }\)
$$ \begin{array}{|l|l|} \hline \text { Salt } & \mathbf{K}_{\text {sp }} \text { at } \mathbf{2 9 8} \text { K } \\ \hline \mathrm{A...

\(\text { One of the products formed in the following reaction is }\)

Given below are two statements:
Statement-I : Oxidation of p-nitrotoluene with acidic $\mathrm{KMnO}_4$ gives an acid that is stronger than benzoic acid.
Statement-II : Reduction of p-nitrotoluene with $\mathrm{Sn} / \mathrm{HCl}$ followed ...

\(\text { Identify the reactions which give aniline as the major product. }\)
Choose the correct answer from the options given below.

Given below are two statements :
Statement-I : Heating NaCl with concentrated $\mathrm{H}_2 \mathrm{SO}_4$ and $\mathrm{MnO}_2$ results in oxidation of Mn .
Statement-II : Heating NaI with concentrated $\mathrm{H}_2 \mathrm{SO}_4$ and $\mat...

In potash alum, the ratio of $\mathrm{K}^{+}$and $\mathrm{SO}_4^{2-}$ ions is

The correct statement is

Among the following options, the correct trend in the electron gain enthalpy is

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: The first ionization enthalpy of O is lower than that of N and F .
Reason R: The loss of an electron from O leads to stable h...

In an acidic medium, 10 mL of 0.25 M oxalic acid is titrated with $\mathrm{KMnO}_4$ solution. If the volume of $\mathrm{KMnO}_4$ solution required to reach end point is 10 mL , the strength of the $\mathrm{KMnO}_4$ solution is

The correct decreasing order of oxidation state of the \(\underline{\mathrm{underlined\, atom}}\) in each molecule is

Consider the following statements about the solutions formed by mixing two liquids.
A. An ideal solution thus formed obeys Raoult's law throughout the composition range.
B. Mixture of chloroform and acetone shows negative deviation from Rao...

Assertion A: For an ideal solution formed by mixing liquids $\mathbf{P}$ and $\mathbf{Q}, \Delta_{\text {mix }} H=0$ and $\Delta_{\text {mix }} V=0$
Reason R: No interactions occur between P and Q
In the light of the above statements, choos...

The numbers 17.0145 and 21.0235 were rounded to three figures after the decimal point. The resulting numbers, respectively, are

The amount of carbon dioxide evolved upon complete combustion of $116 g$ of $n$-butane is
(Given: atomic mass in amu $\mathrm{H}=1, \mathrm{C}=12$ and $\mathrm{O}=16$ )

\(\text { The following carbocation is stabilized by the interaction of the empty } p \text { orbital with }\)

\(\text { Consider the following schematic plots of orbital wavefunction }\left(\psi_r\right) \text { against distance }(r) \text { from the nucleus. }\)

The figure representing two radial nodes in the orbital is

Two moles of an ideal gas undergo free expansion from 10 L to 100 L at 300 K . The values of $\Delta \mathrm{S}_{\text {system }}$ and $\Delta \mathrm{S}_{\text {surroundings }}$ are
( $R$ is universal gas constant)

A protein undergoes reversible thermal denaturation from its initial state $\mathbf{N}$ to denatured state $\mathbf{D}$ according to $\mathbf{N} \rightleftharpoons \mathbf{D}$. At $60^{\circ} \mathrm{C}$, the concentrations of both $\mathbf...

\(\text { Consider the reversible processes for } 1.0 \mathrm{~mol} \text { of an ideal gas as shown in the figure. }\)

$w_1, w_2, w_3$ and $w_4$ represent work done (in calories) in the processes $1,2,3$ and 4 , respectively; $\Delta U_...

An ac voltage $V=220 \sin \left(2 \times 10^3 t\right)$ Volt is applied to a series LCR circuit. Then the current amplitude in this circuit is:
(Given : $L=10 \mathrm{mH}, C=25 \mu \mathrm{~F}, R=100 \Omega$ )

Consider that an electron is revolving in an excited state of Hydrogen atom with velocity $\sqrt{25.6} \times 10^5 \mathrm{~ms}^{-1}$. The radius of the orbit is $x \times 10^{-9} \mathrm{~m}$. The value of $x$ is:
[Take the mass of electro...

Consider the following nuclear reaction
\({ }^{238} \mathrm{U} \longrightarrow{ }^{234} \mathrm{Th}+{ }^4 \mathrm{He}\)
Take masses of ${ }^{238} \mathrm{U},{ }^{234} \mathrm{Th}$ and ${ }^4 \mathrm{He}$ as $238.050 \mathrm{u}, 234.043 \m...

In Geiger-Marsden experiment, the number of scattered $\alpha$-particles $N(\theta)$ is plotted as a function of scattering angle $\theta$. Which of the following options represents the correct plot?

Three identical capacitors, $P, Q$ and $S$, each of the capacitance $C$, are connected to a battery of voltage $V$, as shown in the figure. If the energy stored in the capacitor $P$ and total energy stored in the system are $U_P$ and $U_T$,...

Bob $B$ of mass $m$ at rest is hanging vertically from the ceiling via a massless string of length 10 m , as shown in the figure. Point mass $A$ of mass $m$ travelling horizontally with speed $10 \mathrm{~ms}^{-1}$ hits bob $B$ elastically....

A frictionless circular wire of unit radius is fixed on the horizontal plane. Two-point particles of unit mass start moving simultaneously from point $A\left(\theta=\frac{\pi}{2}\right)$ with identical uniform angular speeds in opposite dir...

Consider two circuits, (A) and (B), each having two resistors. One of them has a positive temperature coefficient of resistance, $+\alpha$, while the other one has a negative temperature of coefficient, $-\alpha$, as shown in the figure. Th...

A photon and an electron, each of 20 eV energy, move in free space. The ratio of linear momentum of electron $\mathrm{p}_{\mathrm{e}}$ to that of photon $\mathrm{p}_{\mathrm{Ph}}, \frac{\mathrm{p}_{\mathrm{e}}}{\mathrm{p}_{\mathrm{Ph}}}$ is...

A ray of light with wavelength $\lambda$ is incident on three different photoelectric cells namely 1,2 and 3 . The threshold wavelength of these photoelectric cells are $\lambda_1, \lambda_2$, and $\lambda_3$, respectively and the magnitude...

A beam of light falls on a metal surface such that photo-electrons are generated. If power of the light source starts to decrease linearly with time $t$, then variation of the photocurrent $I$ and magnitude of the stopping potential $|V|$ w...

Consider a long solenoid of length $I$ and radius $r$. If $n$ is the number of turns per unit length and $\mu_0$ is the permeability of free space, the inductance of the solenoid is :

A conducting loop of finite resistance lies on the $x-y$ plane. There is a constant magnetic field in the $z$ direction. The area of the loop varies with time $t$, as $A=A_0(1+\sin t)$ in appropriate units. The figure that correctly indicat...

Two identical inductors are connected in two different configurations $P$ and $Q$, where a time varying current $l(t)$ is flowing, as shown in the figure. The induced emf between points $a$ and $b$ for configuration $P$ is $E_P$ and that fo...

The following table presents the part of the electromagnetic spectrum and their corresponding major applications.








Part of the electromagnetic spectrum



Applications





P.

Microwave

I.

For purifying the water





Q.

UV rays
...