JEE Main 2024 (Online) 27th January Morning Shift

Given below are two statements :
Statement (I) : p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol.
Statement (II) : Ethanol will give immediate turbidity with Lucas reagent.
In the light of the above statements, choose the ...

The ascending order of acidity of \(-\mathrm{OH}\) group in the following compounds is :

Choose the correct answer from the options given below:

Highest enol content will be shown by:

Which of the following is strongest Bronsted base?

Which of the following has highly acidic hydrogen?

Cyclohexene

is ________ type of an organic compound.

IUPAC name of following compound (P) is:

3-Methylhex-2-ene on reaction with \(\mathrm{HBr}\) in presence of peroxide forms an addition product (A). The number of possible stereoisomers for '\(\mathrm{A}\)' is ________.

Among the given organic compounds, the total number of aromatic compounds is

Among the following, total number of meta directing functional groups is (Integer based)
\(-\mathrm{OCH}_3,-\mathrm{NO}_2,-\mathrm{CN},-\mathrm{CH}_3-\mathrm{NHCOCH}_3, -\mathrm{COR},-\mathrm{OH},-\mathrm{COOH},-\mathrm{Cl}\)

Two nucleotides are joined together by a linkage known as :

Choose the polar molecule from the following:

Sum of bond order of CO and NO\(^+\) is ________.

Consider the following data for the given reaction
\(2 \mathrm{HI}_{(\mathrm{g})} \rightarrow \mathrm{H}_{2(\mathrm{~g})}+\mathrm{I}_{2(\mathrm{~g})}\)

The order of the reaction is _________.

Consider the following complex ions
$$\begin{aligned}
& \mathrm{P}=\left[\mathrm{FeF}_6\right]^{3-} \\
& \mathrm{Q}=\left[\mathrm{V}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+} \\
& \mathrm{R}=\left[\mathrm{Fe}\left(\mathrm{H}_2 \math...

Yellow compound of lead chromate gets dissolved on treatment with hot \(\mathrm{NaOH}\) solution. The product of lead formed is a :

Which of the following electronic configuration would be associated with the highest magnetic moment?

\(\mathrm{NaCl}\) reacts with conc. \(\mathrm{H}_2 \mathrm{SO}_4\) and \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) to give reddish fumes (B), which react with \(\mathrm{NaOH}\) to give yellow solution (C). (B) and (C) respectively are ;

The electronic configuration for Neodymium is:
[Atomic Number for Neodymium 60]

The mass of silver (Molar mass of \(\mathrm{Ag}: 108 \mathrm{~gmol}^{-1}\) ) displaced by a quantity of electricity which displaces \(5600 \mathrm{~mL}\) of \(\mathrm{O}_2\) at S.T.P. will be ______ g.

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is ;

Given below are two statements :
Statement (I) : Aqueous solution of ammonium carbonate is basic.
Statement (II) : Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on \(K_a\) and \(K_b\) value of acid and th...

Element not showing variable oxidation state is :

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Melting point of Boron (2453 K) is unusually high in group 13 elements.
Reason (R) : Solid Boron has very strong crys...

From the given list, the number of compounds with +4 oxidation state of Sulphur ________.
\(\mathrm{SO}_3, \mathrm{H}_2 \mathrm{SO}_3, \mathrm{SOCl}_2, \mathrm{SF}_4, \mathrm{BaSO}_4, \mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_7\)

Given below are two statements :
Statement (I) : The \(4 \mathrm{f}\) and \(5 \mathrm{f}\) - series of elements are placed separately in the Periodic table to preserve the principle of classification.
Statement (II) : S-block elements can b...

A solution of two miscible liquids showing negative deviation from Raoult's law will have :

Mass of methane required to produce \(22 \mathrm{~g}\) of \(\mathrm{CO}_2\) after complete combustion is _______ g.
(Given Molar mass in g mol-1 \(\mathrm{C}=12.0\), \(\mathrm{H}=1.0\), \(\mathrm{O}=16.0)\)

The number of electrons present in all the completely filled subshells having \(\mathrm{n}=4\) and \(\mathrm{s}=+\frac{1}{2}\) is _______.
(Where \(\mathrm{n}=\) principal quantum number and \(\mathrm{s}=\) spin quantum number)

If three moles of an ideal gas at \(300 \mathrm{~K}\) expand isothermally from \(30 \mathrm{~dm}^3\) to \(45 \mathrm{~dm}^3\) against a constant opposing pressure of \(80 \mathrm{~kPa}\), then the amount of heat transferred is _______ J.