RE-NEET 2026

Arrange the following compounds in the increasing order of polarity
A. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OCH}_2 \mathrm{CH}_3$
B. $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}$
C. $\mathrm{CH}_3 \mathrm{COCH}_3$
D. $\mathrm{CH}_3 \mathrm{COOH...

\(\text { For the following reaction sequence, choose the correct option }\)

\(\text { The compound that CANNOT be obtained from the aldol condensation reaction shown below, is }\)

Consider the following reaction, and choose the correct option.

The correct statement about peptides and proteins is

\(\text { Match the vitamins in List I with their sources in List II }\)
$$ \begin{array}{|l|l|l|l|} \hline & \text { List I } & & \text { List II } \\ \hline \text { A. } & \text { vitamin A } & \text { I. } & \text { meat } \\ \hline \t...

The amino acid that gives a red-blood colour on treating its sodium fusion extract with sodium nitroprusside is

The highest occupied molecular orbital for $\mathrm{Ne}_2$ is

\(\text { Match the species in List-I with their geometry in List-II. }\)



List-I

List-II


A.



PCl

5




PCl

5

PCl_(5)
I.
Tetrahedral


B.



BrF

5




...

$2 A \xrightarrow{k} B$ is a zero-order reaction, where $k=1.0 \mathrm{~mol} \mathrm{~L}^{-1} \mathrm{~min}^{-1}$. If the initial concentration of $A$ is 2 M , then the time taken to complete $75 \%$ of the reaction will be

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_...