Explore topic-wise InterviewSolutions in Current Affairs.

If excess of $Zn$ is added to $1.0M$ solution of $CuS{O}_4$, find the concentration of $C{u}^{2+}$ ions at equilibrium.
Given: $E_{\left(Z{n}^{2+}|Zn\right)}^0=-0.76V,E_{\left(C{u}^{2+}Cu\right)}^0=-0.34V$

Name
the following compounds according to IUPAC system.

(i)

(ii)

(iii)

(iv)

(v)

Identify the pair of diastereoisomers.

A
vessel of 120 mL capacity contains a certain amount of gas at 35 °C
and 1.2 bar pressure. The gas is transferred to another vessel of
volume 180 mL at 35 °C. What would be its pressure?

Equation $H_{2}S+H_2{O}_2\to S+2H_{2}O$ represents

$4B+3O_2\to A$

$2B+N_2\to B$

$A\&B$ are

For the combustion of 1 mole of a liquid benzene at ${25}^{o}C$, the enthalpy is given by:

$C_6{H}_6\left(l\right)+\frac{15}{2}{O}_2\left(g\right)\to 6C{O}_2\left(g\right)+3H_{2}O\left(l\right)$ $\Delta H=-780980$ cal

What would be the internal energy of the reaction?

The number of atoms in $50g$ of a fcc crystal with density, $\rho =10gc{m}^{-3}$ and cell edge, $a=200pm$ are

What
is meant by the conjugate acid-base pair? Find the conjugate
acid/base for the following species:

In methane molecule, the hydrogen atoms around carbon are arranged as

In which of the following , the electron affinity of the second element is more than that of the first element is :

The $H$-like species $L{i}^{2+}$ is in spherically symmetrical state $S_1$ and one radial node. Upon absorbing light, the ion undergoes transition to state $S_2$. The state $S_2$ has one radial node and it has the same energy as the ground state energy of a $hydrogen$ atom.

The orbital angular momentum quantum number of state $S_2$ is:

The vapour pressure of a liquid at $500K$ is $150torr$. Calculate the vapour pressure at $1000K$ if the enthalpy of vapourisation of the substance is $4.157kJmo{l}^{-1}$

Given $e^{0.5}=1.65$

1. 24.74

Which of the following are TRUE for $ZnS$ type and $Ca{F}_2$ type structure?

The potential energy of an electron in 3rd Bohr orbit of H atom is

The enthalpies of all elements in their standard states are:
(i) unity
(ii) zero
(iii) < 0
(iv) different for each element

In the following reaction sequence

X and Y are, respectively

Best method for preparation of

by williamson's ether synthesis is

Try finding the following products

(i)

(ii)

(iii)

(iv)

A solution of $S{O}_2$ in water reacts with $H_{2}S$ precipitating sulphur. Here $S{O}_2$ acts as

The de Broglie wavelength associated with a ball of mass. $200g$ and moving and moving at a speed of $5metres/hour$, is in the order of ($h$ = $6.625\times {10}^{-34}Js$)

If the following orbital's are hybridized, then the hybridization will be respectively:

(i) One s orbital, two p orbitals (ii) One s orbital, three p orbitals (iii) One s orbital, one p orbital

How to know the electronic configuration of a compound

What will be the mole fraction of water present in $10$ molal aqueous solution of $NaOH$?

In order to decrease the density of a gas which of the following changes must be done