List of top Chemistry Questions asked in NEET (UG)

A 10.0 L flask contains 64 g of oxygen at 27°C. (Assume O₂ gas is behaving ideally). The pressure inside the flask in bar is (Given R = 0.0831 L bar K^-1 mol^-1)

Which of the following statement is not correct about diborane?

The incorrect statement regarding chirality is:

Statement I: The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole - dipole interactions
Statement II: The boiling points of aldehydes and ketones are lower than the alcohols of similar molecular masses due to the absence of H-bonding.
In the light of the above statements choose the most appropriate answer from the options given below:

Which of the following sequence of reactions is suitable to synthesize chlorobenzene?

Which compound amongst the following is not an aromatic compound?

Assertion (A): ICl is more reactive than I₂
Reason(R): I-Cl bond is weak than I-I bond
Choose the most appropriate answer from the options given below:

In one molal solution that contains 0.5 mole of a solute, there is

Identify the incorrect statement from the following.

At 298 K, the standard electrode potentials of Cu²⁺/Cu, Zn²⁺/Zn, Fe²⁺/Fe and Ag⁺/Ag are 0.34 V, - 0.76 V, - 0.44 V and 0.80 V, respectively.
On the basis of standard electrode potential, predict which of the following reaction cannot occur?

Amongst the following which one will have maximum 'lone pair- lone pair' electron repulsions?

The IUPAC name of the complex [Ag(H₂O)₂][Ag(CN)₂] is:

The incorrect statement regarding enzymes is:

The Kjeldahl' s method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?

Given below are half-cell reactions:
\(MnO_4^- + 8H^+ + 5e^- → Mn^{2+} + 4H_2O\),
\(E°_{(Mn^{+2}/MnO_4^-)} = –1.510 V\)
\((\frac{1}{2})O_2 + 2H^+ + 2e^- → H_2O,\)
\(E°(O_2/H_2O) = +1.223 V\)
Will the permanganate ion, \(MnO_4^-\) liberate \(O_2\) from water in the presence of an acid?

Which statement regarding polymers is not correct?

\(RMgX + CO_2 (\text{dry})→(\text{ether}) Y (H_3O^+)→ RCOOH\)
What is Y in the above reaction?

Which amongst the following is incorrect statement?

Which of the following p-V curve represents maximum work done?