Explore topic-wise InterviewSolutions in Current Affairs.

While denoting an organic compound in the form , which type of representation is used?

An organic compound $A\left(C_5{H}_8\right)$ on hydrogenation gives compound $B\left(C_5{H}_{12}\right)$. The compound $A$ on ozonolysis give methanal and $2-$ketopropanal. The compound $A$ is:

Among the trihalides of nitrogen, the least basic is:

Which of the following is the most powerful oxidizing agent

Predict the reaction mechanism and product of the given reactions.

Among $\left[Ni\right(Co{)}_4],[NiC{l}_4{]}^{2-},\left[Co\right(N{H}_3{)}_{4}C{l}_2]Cl,N{a}_2[Co{F}_6{]}^{3+},N{a}_2{O}_{2}andCs{O}_2,$ the total number of paramagnetic compounds is

Polymers having ester linkage are called:

Which of the following are used as fertilizers?

Column-I: Subshell Column-II: Number of spherical nodes Column-III: Radial plot

The only correct combination for the last electron of Sc is: (Atomic number of Sc is 21)

Which of the following has a zero dipole moment?

Which of the following halides undergo $E_2$ elimination?

The polymer in which intermolecular force of attraction is the weakest is:

In reaction

$C_2{H}_{5}OH+HX\stackrel{Zn{X}_2}{\to }{C}_2{H}_{5}X+H_{2}O$

The order of reactivity of HX is-

At $300K$ , a concentration cell is formed by coupling two $Cu$ electrodes immersed in $CuS{O}_4$ solution .

Given, the concentration of $C{u}^{2+}$ in one electrode is 100 times than that of the other.

Value of $E_{cell}$ at the given temperature is nearly:

What weight of $CaC{O}_3$ must be decomposed to produce a sufficient quantity of carbon dioxide to convert $21.2\text{g}$ of $N{a}_{2}C{O}_3$ completely into $NaHC{O}_3$. (Molar mass of $Na=23\text{g/mol},Ca=40\text{g/mol}$):
$CaC{O}_3\to CaO+C{O}_2$ $N{a}_{2}C{O}_3+C{O}_2+H_{2}O\to 2NaHC{O}_3$

Sulphur molecule is converted into sulphur ion, when it

Choose the correct option(s) that give(s) an aromatic compound as the major product.

According to Heisenberg's uncertainty principle, the product of uncertainties in position and velocities for an electron of mass 9.1 $\times$ ${10}^{-31}$ kg is

The most volatile compound is

The correct order of the O - O bond length in $O_2$, $H_2{O}_2$ and $O_3$ is

Which of the following electronic configuration of an atom has the lowest ionisation enthalpy? [CBSE AIPMT 2007]

The value of critical temperature $T_C$ for a gas is :

1. Phenomenon in which the molecules of a substance are uniformly distributed throughout the bulk
2. The phenomenon of attracting and retaining the molecules of a substance on the surface rather than in the bulk
3. The process where the adsorbed molecules get free from the surface and go back to their native state.