NEET 2023 Manipur

Consider the given reaction:
\(\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\text { dil } \mathrm{Ba}(\mathrm{OH})_2}{\longrightarrow} \text { ''X" }\)
The functional groups present in compound "\(\mathrm{X}\)" are:

Identify 'X' in above reactions

The following conversion is known as:

Reagents which can be used to convert alcohols to carboxylic acids, are
(A) \(\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4\)
(B) \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{H}_2 \mathrm{SO}_4\)
(C) $$\mathrm{KMnO}_4+\mathrm{KOH} / \mathr...

The major product formed in the following conversion is ___________.

The correct order of dipole moments for molecules \(\mathrm{NH}_3, \mathrm{H}_2 \mathrm{~S}, \mathrm{CH}_4\) and \(\mathrm{HF}\), is:

Which one of the following represents all isoelectronic species ?

Which one of the following statements is incorrect related to Molecular Orbital Theory?

Given below are two statements:
Statement I : Hydrated chlorides and bromides of \(\mathrm{Ca}, \mathrm{Sr}\) and \(\mathrm{Ba}\) on heating undergo hydrolysis.
Statement II : Hydrated chlorides and bromides of \(\mathrm{Be}\) and $$\mathrm...

For a weak acid HA, the percentage of dissociation is nearly 1% at equilibrium. If the concentration of acid is 0.1 mol L\(^{-1}\), then the correct option for its K\(_a\) at the same temperature is :

For a reaction \(3 \mathrm{~A} \rightarrow 2 \mathrm{~B}\)
The average rate of appearance of \(\mathrm{B}\) is given by \(\frac{\Delta[B]}{\Delta t}\). The correct relation between the average rate of appearance of \(\mathrm{B}\) with the a...

The correct options for the rate law that corresponds to overall first order reaction is

Cheilosis occurs due to deficiency of _________.

Which amongst the following is used in controlling depression and hypetension?

Select the element (M) whose trihalides cannot be hydrolysed to produce an ion of the form [M(H\(_2\)O\(_6\)]\(^{3+}\)

Which of the following forms a set of complex and a double salt, respectively?

Type of isomerism exhibited by compounds
$$
\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6 \mathrm{Cl}_3,\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_5 \mathrm{Cl}_2 \mathrm{Cl}_2 \cdot \mathrm{H}_2 \mathrm{O}\right.\right...

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Ionisation enthalpy increases along each series of the transition elements from left to right. However, small variati...

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Ionisation enthalpies of early actinoids are lower than for early lanthanoids.
Reason (R) : Electrons are entering 5f...

The \(\mathrm{E}^{\Theta}\) values for
$$\begin{aligned}
& \mathrm{Al}^{+} / \mathrm{Al}=+0.55 \mathrm{~V} \text { and } \mathrm{Tl}^{+} / \mathrm{Tl}=-0.34 \mathrm{~V} \\
& \mathrm{Al}^{3+} / \mathrm{Al}=-1.66 \mathrm{~V} \text { and } \ma...

Molar conductance of an electrolyte increase with dilution according to the equation:
\(\Lambda_{\mathrm{m}}=\Lambda_{\mathrm{m}}^{\circ}-\mathrm{A} \sqrt{\mathrm{c}}\)
Which of the following statements are true?
(A) This equation applies t...

The correct value of cell potential in volt for the reaction that occurs when the following two half cells are connected, is
$$\begin{aligned}
& \mathrm{Fe}_{(\mathrm{aq})}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Fe}(\mathrm{s}), \mathrm{...

Which statement is not true about photochemical smog?

The correct van der Waals equation for 1 mole of a real gas is :

The correct option in which the density of argon (Atomic mass = 40) is highest:

Which amongst the following reactions of alkyl halides produces isonitrile as a major product?
(A) \(\mathrm{R-X+HCN\to}\)
(B) \(\mathrm{R-X+AgCN\to}\)
(C) \(\mathrm{R-X+KCN\to}\)
(D) $$\mathrm{R-X+NaCN\mathrel{\mathop{\kern0pt\longrightarr...

Choose the correct sequence of reagents in the conversion of 4-nitrotoluene to 2-bromotoluene.

Identify the product in the following reaction

Identify 'X' in the following reaction.

An acidic buffer is prepared by mixing :

Match the List - I with List - II

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Which of the following is correctly matched?

The correct sequence given below containing neutral, acidic, basic and amphoteric oxide each, respectively, is

Given below are two statements:
Statement I : High density polythene is formed in the presence of catalyst triethylaluminium and titanium tetrachloride.
Statement II : High density polymers are chemically inert.
In the light of the above st...

Match List - I with List - II

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Read the following statements and choose the set of correct statements :
(A) Chrome steel is used for cutting tools and crushing machines.
(B) The fine dust of aluminium is used in paints and lacquers.
(C) Copper is used for reduction of al...

The correct option for a redox couple is:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Lithium and beryllium unlike their other respective group members form compounds with pronounced ionic character.
Rea...

How many number of tetrahedral voids are formed in \(5 \mathrm{~mol}\) of a compound having cubic close packed structure? (Choose the correct option)

How are edge length '\(a\)' of the unit cell and radius '\(r\)' of the sphere related to each other in ccp structure? (Choose correct option for your answer)

Which amongst the following aqueous solution of electrolytes will have minimum elevation in boiling point? Choose the correct option :-

The density of 1 M solution of a compound 'X' is 1.25 g mL\(^{-1}\). The correct option for the molality of solution is (Molar mass of compound X = 85 g):

Which amongst the following compounds/species is least basic?

Which amongst the following compounds will show geometrical isomerism?

The correct order for the rate of \(\alpha,\beta\)-dehydrohalogenation for the following compounds is _________.

Given below are two statements:
Statement I : In an organic compound, when inductive and electromeric effects operate in opposite directions, the inductive effect predominates.
Statement II : Hyperconjugation is observed in o-xylene.
In the...

Incorrect set of quantum numbers from the following is :

Given below are two statements:
Statement I : The value of wave function, \(\psi\) depends upon the coordinates of the electron in the atom.
Statement II : The probability of finding an electron at a point within an atom is proportional to...

Which of the following is a positively charged sol?

Consider the following reaction :-
\(2 \mathrm{H}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{H}_2 \mathrm{O}(\mathrm{g}) \Delta_{\mathrm{r}} \mathrm{H}^{\circ}=-483.64 \mathrm{~kJ} \text {. }\)
What is the enthalpy chang...