List of practice Questions

Which is the correct increasing order of ionization energies?

When a particle is rotating in a circle will happen:

What is the structure of $ {{H}_{2}}O $ ?

van der Waals gas equation for n mole gas is:

Two vessels A and B of cross-section as shown in figure contain a liquid upto the same height. As the temperature rises, the liquid pressure at the bottom (neglecting expansion of the vessels) will:

The most stable carbonium ion among these is:

The catalyst used in Ostwalds method nitric acid preparation, is:

The chemical formula of lunar caustic is:

Solid $ PC{{l}_{5}} $ exists as:

Reaction of ethyne with HCN, in the presence of $ Ba{{(CN)}_{2}} $ is:

In human body urea is produced as an excretory product in the:

In a population, unrestricted reproductive capacity is called:

How many isomeric forms of $ {{C}_{7}}{{H}_{9}}N $ contain a benzene ring?

For a gas undergoing an adiabatic process, the relation between temperature and volume is found to be $ T{{V}^{0.4}}= $ constant. This gas must be:

During an experiment, an ideal gas is found to obey an additional law $ V{{P}^{2}}= $ constant. The gas is initially at a temperature T, and volume V. When it expands to a volume 2V, the temperature becomes:

$ CH\equiv \equiv CH\xrightarrow[{{H}_{2}}S{{O}_{4}}]{{{H}_{2}}O/H{{g}^{2+}}}X\xrightarrow{LiAl{{H}_{4}}}Y\xrightarrow{{{P}_{4}}/B{{r}_{2}}}Z, $ Here Z is:

Pi-bond (Ti-bond) is formed:

What is packing fraction of $ {}_{26}F{{e}^{56}} $ ? (At. mass = 55.92066)

An element is in $ {{M}^{3+}} $ form. Its electronic configuration is $ [Ar]\,4{{s}^{1}} $ . What is the atomic number of element?

Green vitriol is:

Milk is a colloid in which:

Which of the following has smallest size?

The amplification factor of a triode depends on the:

If the distance of the far point for a myopia pa dent is doubled, the focal length of the lens required to cure it will become:

A body is projected at an angle $ \alpha $ from a point O. Its angular momentum will be zero at: