List of top Questions asked in NEET (UG)

Conjugate base for Brönsted acids \(H_2O\) and \( HF\) are

The most suitable reagent for the following conversion, is:

Which colour of the light has the longest wavelength?

Match LIST I with LIST II

LIST I		LIST II
A	Pure nitrogen	I	Chlorine
B	Haber process	II	Sulphuric acid
C	Contact process	III	Ammonia
D	Deacon's process	IV	Sodium azide or Barium azide

Which of the following is the correct option?

Which mixture of the solutions will lead to the formation of negatively charged colloidal [Agl]I- Sol.? (

The number of \(\sigma \)and \(\pi\) bonds in pent-2-en-4-yne is: 

The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is

If the rate constant for a first order reaction is k the time (t) required for the completion of 99% of the reaction is given by:

The manganate and permanganate ions are tetrahedral, due to:

The correct structure of tribromooctaoxide is:

Which one is malachite from the following?

Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?

Which of the following reactions are disproportionation reaction?
a)\(2Cu^{+}\rightarrow Cu^{2+}+Cu^{0}\)
\(b)3MnO_4^{2-}+4H^{+} \rightarrow2MnO_4^{-}+MnO_2+2H_2O\)
\(c)2KMnO_4\frac{\Delta}{\rightarrow}K_2MnO_4+MnO_2+O_2\)
\(d)2MnO_4^{-}+3Mn^{2+}+2H_2O \rightarrow 5MnO_2+4H^\oplus\)
Select the correct option from the following:

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:

Which is the correct thermal stability order for\( H_2E\) (E=O, S, Se, Te and Po)? 

For the cell reaction
\(2Fe^{3+}+2I^{-}_{(aq)}\rightarrow2Fe^{2+}+I_2{(aq)}\)
\(E^{\ominus}_{cell}=0.24\ V \ at \ 298 k.\)The standard Gibbs energy \((\Delta_rG^{\ominus})\) of the cell reaction is:
[Given that Faraday constant \( F=96500 \ C\ mol^{-1}]\)  

A small hole of area of cross-section \(2 mm^2\) is present near the bottom of a fully filled open tank of height \(2 m\). Taking \(g=10 m/s2\), the rate of flow of water through the open hole would be nearly:

What is the correct electronic configuration of the central atom in \(K_4[Fe(CN)_6]\) based on crystal field theory?

The compound that is most difficult to protonate is:

A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is:

In which case change in entropy is negative? (1)(2) (3 (4)

For a p-type semiconductor, which of the following statements is true?

Which of the following species is not stable ?

The correct order of the basic strength of methyl substituted amines in aqueous solution is:

Match the Xenon compounds in Column-I with its structure in Column II and assign the correct code:

Column I		Column II
A	\(XeF_4\)	I	pyramidall
B	\(XeFe_6 \)	II	square planar
C	\(XeOF_4  \)	III	distorted octahedral
D	\(XeO_3\)	IV	square pyramidal

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