NEET (UG) entrance exam Question Bank Solutions

Outer electronic configuration of four elements are given below. Which one among these has the greatest tendency to form electrovalent bond?

______ interaction is predominant between a polar molecule having permanent dipole moment and non-polar molecule with zero dipole moment.

Find the heat produced by neutralization of 100 mL 1M HCl with 100 mL 1M NaOH when calorimeter constant is 95.6 J K^-1.

(ΔT= 4.6°C)

Polyphosphates are used as water softening agents because they ______. 

\[\ce{BeF2}\] is soluble in water, whereas, the fluorides of other alkaline earth metals are insoluble because of ______.

The number of tetrahedral and octahedral voids in a CCP array of 100 atoms are respectively:

Two liquids X and Y form an ideal solution. The mixture has a vapour pressure of 400 mm at 300 K when mixed in the molar ratio of 1 : 1 and a vapour pressure of 350 mm when mixed in the molar ratio of 1 : 2 at the same temperature. The vapour pressures of the two pure liquids X and Y respectively are ______.

The electrical work done in a galvanic cell is equal to ______

For a zero-order reaction, the plot of [A]_t vs t is linear with a ______

\[\ce{N2O}\] is mainly produced by ______. 

Heating pyrites to remove sulphur is called ______.

At a given temperature and pressure, adsorption of which gas of the following will take place the most?

Match the following.

Valence bond theory is based on the assumption that the bonds formed between the metal ions and ligands are ______

Which of the following compounds will show cis-trans isomerism?

Vacuum distillation is used to purify liquids which ______.

Increased level of greenhouse gases causes global warming which will result in:

The right option for the number of tetrahedral and octahedral voids in the hexagonal primitive unit cell is ______.

The right options for the number of tetrahedral and octahedral voids in the hexagonal primitive unit cells is ______.

Which one among the following is the correct option for the right relationship between C_P and C_V for one mole of an ideal gas?