NEET (UG) entrance exam Question Bank Solutions

The IUPAC name of the compound having the formula CH ≡ C – CH = CH₂

The reaction of enzymes in living system is to:

Consider the following compounds:

(i) p-methyl aniline

(ii) N, N-dimethylaniline

(iii) N-ethyl aniline

(iv) N-ethyl-N-methyl aniline

The compounds which do not form diazonium salt with ice-colds NaNO₂ and HCl are:

Which among the following is most reactive to give nucleophilic addition?

In HVZ reactions, the substitution takes place at:

Which one of the following pairs of compounds illustrates the law of multiple proportion?

What will be the de Broglie wavelength (in metres) of an electron moving with a velocity of 1.2 × 10⁵ m s^–1?

Benzoic acid can be obtained by the oxidation of all of the following EXCEPT ______.

Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape?

Which of the following proteins acts as a messenger in living system?

When NaNO₃ is heated in a closed vessel, O₂ is liberated and NaNO₂ is left behind. At equilibrium, ______.

The basic structural unit of silicates is ______. 

Which of the following products is formed when \[\ce{SiCl4}\] is made to react with \[\ce{CH3OH}\]? 

Maximum lowering of vapour pressure is observed in the case of ______.

The addition of CdCl₂ to AgCl results in ______

Which of the following statements is true for the electrochemical Daniel cell?

The efficiency of a fuel cell is given by ______.

Maximum bond energy of \[\ce{C - H}\] bond is found in the compound ______.  

Movement of dispersion medium under the influence of electric field is known as ______.

The basic structure unit of silicates is: