NEET (UG) entrance exam Question Bank Solutions

Which of the following decolourizes \[\ce{KMnO4}\] (neutral or slightly alkaline)?  

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

The scientist who proposed the atomic model based on the quantisation of energy for the first time is ______.

Which of the following H-bonds is expected to have maximum strength?

The weight of 350 mL of a diatomic gas at 0°C and 2 atm pressures is 1 g. The weight of one atom in gram is: (N = Avogadro's number)

A gas can be liquefied:

Lindlar's catalyst is used for controlled:

Which of the following is a simple ether?

Carboxylic acid reacts with diazomethane to yield:

The RBC deficiency is a deficiency disease of ______.

Nucleic acids are the polymers of ______.

Amongst the following statements, that which was not proposed by Dalton was ______.

______ is used in the preparation of malachite green dye.

Purine derivative among the following bases is ______.

The gas phase reaction \[\ce{2NO2_{(g)} ⇌ N2O4_{(g)}}\] is an exothermic reaction. The decomposition of N₂O₄, in equilibrium mixture of \[\ce{NO2_{(g)}}\] and \[\ce{N2O4_{(g)}}\], can be increased by:

Silicon is a/an ______

The ratio of the ionization energy of H and Be⁺³ is ______.

The important factor in the stabilization of a colloidal solution is ______

Which of the following statements are correct?

1. The hybridisation found in cation of solid PCl5 is sp³.
2. In AB₂L₂ type, the BAB bond angle is always greater than the normal tetrahedral bond angle.
3. In \[\ce{ClO^{-}_3}\] NH₃ and XeO₃, the hybridisation and the number of lone pairs on the central atoms are same.
4. In· discrete P₄ molecule, there are six P—P bonds and four lone pairs of electrons.

Which reaction, with the following value of ΔH, ΔS at 400 K is spontaneous and endothermic?