NEET 2024 (Re-Examination)

The major product D formed in the following reaction sequence is :

Identify D in the following sequence of reactions:

Select the incorrect reaction among the following :

Given below are two statements :
Statement I : Glycogen is similar to amylose in its structure.
Statement II : Glycogen is found in yeast and fungi also.
In the light of the above statements, choose the correct answer from the options given...

Arrange the following compounds in increasing order of their solubilities in chloroform:
\(\mathrm{NaCl}, \mathrm{CH}_3 \mathrm{OH}\), cyclohexane, \(\mathrm{CH}_3 \mathrm{CN}\)

Which of the following molecules has "NON ZERO" dipole moment value?

Match List-I with List-II:

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...

Identify the incorrect statement about \(\mathrm{PCl}_5\).

At a given temperature and pressure, the equilibrium constant values for the equilibria are given below:
$$\begin{aligned}
& 3 \mathrm{~A}_2+\mathrm{B}_2 \rightleftharpoons 2 \mathrm{~A}_3 \mathrm{~B}, \mathrm{~K}_1 \\
& \mathrm{~A}_3 \math...

For the reaction in equilibrium
\(\mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_3(\mathrm{~g}), \Delta \mathrm{H}=-\mathrm{Q}\)
Reaction is favoured in forward direction by:

Following data is for a reaction between reactants A and B :

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;pa...

Which of the following plot represents the variation of \(\ln \mathrm{k}\) versus \(\frac{1}{\mathrm{~T}}\) in accordance with Arrhenius equation?

Rate constants of a reaction at \(500 \mathrm{~K}\) and \(700 \mathrm{~K}\) are \(0.04 \mathrm{~s}^{-1}\) and \(0.14 \mathrm{~s}^{-1}\), respectively; then, activation energy of the reaction is :
(Given: $$\log 3.5=0.5441, \mathrm{R}=8.31 \...

Ethylene diaminetetraacetate ion is a/an:

Which of the following is not an ambidentate ligand?

\(\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]\) and \(\left[\mathrm{Co}_2(\mathrm{CO})_8\right]\) structures have
A. Metal-Metal linkage
B. Terminal CO groups
C. Bridging CO groups
D. Metal in zero oxidation state
Choose the correct answer...

Baeyer's reagent is :

Which of the following pairs of ions will have same spin only magnetic moment values within the pair?
A. \(\mathrm{Zn}^{2+}, \mathrm{Ti}^{2+}\)
B. \(\mathrm{Cr}^{2+}, \mathrm{Fe}^{2+}\)
C. \(\mathrm{Ti}^{3+}, \mathrm{Cu}^{2+}\)
D. $$\mathrm...

Which of the following set of ions act as oxidising agents?

The UV-visible absorption bands in the spectra of lanthanoid ions are 'X', probably because of the excitation of electrons involving 'Y'. The 'X' and 'Y', respectively, are :
Narrow and d and f orbitals

Match List I with List II:

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...

Identify the incorrect statement.

From the following select the one which is not an example of corrosion.

The standard cell potential of the following cell \(\mathrm{Zn}\left|\mathrm{Zn}^{2+}(\mathrm{aq})\right| \mathrm{Fe}^{2+}(\mathrm{aq}) \mid \mathrm{Fe}\) is \(0.32 \mathrm{~V}\). Calculate the standard Gibbs energy change for the reaction:...

The major product \(\mathrm{C}\) in the below mentioned reaction is:
$$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\Delta]{\text { alc. } \mathrm{KOH}} \mathrm{A} \xrightarrow{\mathrm{HBr}} \mathrm{B} \xrightarrow[\De...

The following reaction method

is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :

Given below are two statements:
Statement I: Propene on treatment with diborane gives an addition product with the formula

Statement II: Oxidation of

with hydrogen peroxide in presence of \(\mathrm{NaOH}\) gives propan-2ol.
In the light o...

The alkane that can be oxidized to the corresponding alcohol by KMnO\(_4\) as per the equation

is, when :

Which indicator is used in the titration of sodium hydroxide against oxalic acid and what is the colour change at the end point?

The ratio of solubility of AgCl in 0.1 M KCl solution to the solubility of AgCl in water is:
(Given : Solubility product of AgCl = 10\(^{–10}\))

The major product X formed in the following reaction sequence is :

The compound that does not undergo Friedel-Crafts alkylation reaction but gives a positive carbylamine test
is :

Identify the incorrect statement from the following :

Match List I with List II:

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...

The correct decreasing order of atomic radii (pm) of \(\mathrm{Li}, \mathrm{Be}, \mathrm{B}\) and \(\mathrm{C}\) is

Match List I with List II :

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;...

The oxidation states not shown by Mn in given reaction is :
\(3 \mathrm{MnO}_4^{2-}+4 \mathrm{H}^{+} \longrightarrow 2 \mathrm{MnO}_4^{-}+\mathrm{MnO}_2+2 \mathrm{H}_2 \mathrm{O}\)
A. +6
B. +2
C. +4
D. +7
E. +3
Choose the most appropriate...

Mass of glucose \((\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6)\) required to be dissolved to prepare one litre of its solution which is isotonic with \(15 \mathrm{~g} \mathrm{~L}^{-1}\) solution of urea \((\mathrm{NH}_3 \mathrm{CONH}_2)\) is...

The amount of glucose required to prepare \(250 \mathrm{~mL}\) of \(\frac{\mathrm{M}}{20}\) aqueous solution is :
(Molar mass of glucose : \(180 \mathrm{~g} \mathrm{~mol}^{-1}\))

\(1.0 \mathrm{~g}\) of \(\mathrm{H}_2\) has same number of molecules as in:

On complete combustion, 0.3 g of an organic compound gave 0.2 g of CO\(_2\) and 0.1 g of H\(_2\)O. The percentage
composition of carbon and hydrogen in the compound, respectively is:

A steam volatile organic compound which is immiscible with water has a boiling point of \(250^{\circ} \mathrm{C}\). During steam distillation, a mixture of this organic compound and water will boil :

Match List-I with List-II :

.tg {border-collapse:collapse;border-spacing:0;}
.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;...

The correct IUPAC name of the compound

is :

Methyl group attached to a positively charged carbon atom stabilizes the carbocation due to

The quantum numbers of four electrons are given below :
I. \(n=4 ; I=2 ; m_1=-2 ; s=-\frac{1}{2}\)
II. \(n=3 ; I=2 ; m_1=1 ; s=+\frac{1}{2}\)
III. \(n=4 ; I=1 ; m_1=0 ; s=+\frac{1}{2}\)
IV. \(n=3 ; I=1 ; m_1=-1 ; s=+\frac{1}{2}\)
The correc...

Given below are two statements:
Statement I: The Balmer spectral line for H atom with lowest energy is located at \(\frac{5}{36} R_H \mathrm{~cm}^{-1}\).
(\(\mathrm{R}_{\mathrm{H}}=\) Rydberg constant)
Statement II: When the temperature of ...

Choose the correct statement for the work done in the expansion and heat absorbed or released when
5 litres of an ideal gas at 10 atmospheric pressure isothermally expands into vacuum until volume is
15 litres :

For an endothermic reaction:
(A) \(\mathrm{q}_{\mathrm{p}}\) is negative.
(B) \(\Delta_{\mathrm{r}} \mathrm{H}\) is positive.
(C) \(\Delta_r \mathrm{H}\) is negative.
(D) \(\mathrm{q}_{\mathrm{p}}\) is positive.
Choose the correct answer fr...

For the following reaction at \(300 \mathrm{~K}\)
\(\mathrm{A}_2(\mathrm{~g})+3 \mathrm{~B}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AB}_3(\mathrm{~g})\)
the enthalpy change is \(+15 \mathrm{~kJ}\), then the internal energy change is :