Explore topic-wise InterviewSolutions in Current Affairs.

The tendency towards formation of coloured ions is the maximum in:

Question 2

(i) Where is decantation used? Give two examples.

(ii ) What is a supersaturated solution? How it is obtained.

Polarization is an important phenomenon which is helpful in determination of covalent nature of compound. With the help of Fajan's rule one can easily predict the nature of compound.
The correct increasing covalent nature is:

The reaction of sodium ethoxide with ethyl iodide to form diethyl ether is termed

The Fischer presentation of D-glucose is given below.





The correct structure(s) of $\beta -L-\text{glucopyranose}$ is (are)

Molarity of a solution that has $50millimoles$ of a solute dissolved in $10mL$ of solution is .

Plate bearing test with 20 cm diameter plate on soil subgrade yielded pressure of $2.5\times {10}^{5}N/m^2$ at 0.5 cm deflection. The modulus of sugrade reaction is:

$1^{\circ },2^{\circ },3^{\circ }and{4}^{\circ }$ carbon atoms are present in?

Number of bond pairs and lone pairs present respectively on the central atom of xenon difluoride are

Dinitrogen
and dihydrogen react with each other to produce ammonia according
to the following chemical equation:

N_2(g)
+ H_2(g)
→
2NH_3(g)

(i) Calculate the mass
of ammonia produced if 2.00 × 10³
g dinitrogen reacts with 1.00 × 10³
g of dihydrogen.

(ii) Will any of the
two reactants remain unreacted?

(iii) If yes, which one
and what would be its mass?

Find
of
function.

The volume of water needed to dissolve $1\text{mg}$ of $PbS{O}_4(K_{sp}=1.44\times {10}^{-8}{M}^2)$ at $25{}^{\circ }\text{C}$ is approximately:
(molar mass of $Pb=207\text{g/mol}$)

An electron with initial kinetic energy of 100eV is acceleration through a potential difference of 50V. Now the de - Broglie wavelength of electron becomes

Ester $\stackrel{2eq.RMgX}{\to }P$ (major product)

The number of octahedral voids per lattice site in a FCC lattice is_______

(Rounded off to the nearest integer)

When di-isopropyl cadmium is treated with ethanoyl chloride,the product formed is:

What is the minimum possible atomic number of the element containing four electrons in the ground state with magnetic quantum number $m_l$=$+1$ ?

Graph between $\text{log}\frac{x}{m}$ and $\text{log P}$ is a straight line inclined at an angle $\theta ={45}^{\circ }$. When pressure is 0.5 atm and log K = 0.699, the amount of solute adsorbed per g of adsorbent will be:

Question 20
We have three aqueous solutions of NaCl labelled as 'A', 'B' and 'C' with concentrations 0.1 M, 0.01 M and 0.001 M, respectively. The value of van't Hoff factor for these solutions will be in the order ........... .
(a) $i_A<i_B<i_C$ (b) $i_A>i_B>i_C$ (c) $i_A=i_B=i_C$ (d) $i_A<i_B>i_C$

Find the major product of the given reaction.

What is the wavelength of the light emitted when an electron in a hydrogen atom undergoes transition from the energy level n = 4 to energy level n = 2? What is the colour corresponding to their wavelengths? (Given $R_H=109677c{m}^{-1}$)

1 molal aqueous solution of which of the following compounds will show the highest freezing point?

What will be the volume (in litres) of oxygen liberated (at STP) when 17 grams of $H_2$$O_2$ decomposed on heating?