Explore topic-wise InterviewSolutions in .

Which of the following acid is strongest?

Which of the following is not an lanthanoid?

Sandmeyers reaction is an example of

The values of enthalpy of steam at the inlet and outlet of a steam turbine in a Rankine cycle are $2800kJ/kg$ and $1800kJ/kg$ respectivey. Neglecting pump work, the specific steam consumption in $kg//kW$ hour is

Benzene upon Birch reduction produces:

The freezing point of benzene decreases by ${0.45}^{\circ }C$ when 0.2 $g$ of acetic acid is added to 20 $g$ of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be:

$(K_{f}forbenzene=5.12Kkgmo{l}^{-1})$

Which of the following is TRUE for carbon free radical?

Lewis base is

Which of the following Hydrides are polymeric?

The pKa of oxoacids of chlorine in water follows the order:

When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium, electrons are emitted with a kinetic energy of $1.68\times {10}^{5}Jmo{l}^{-1}$. What is the minimum energy needed to remove an electron from sodium?

Which of the following has a bond order of 1.75?

The average rate for the reaction R → P is given by:

CCl₄ on treatment with SbF₃ in presence of SbCl₅ as a catalyst gives;

The heat of reaction for $C_{10}{H}_8\left(s\right)+12O_2\left(g\right)\to 10C{O}_2\left(g\right)+4H_{2}O\left(l\right)$ at constant volume is $-1228.2\text{Kcal}$ at ${25}^{o}C$. Calculate the heat of reaction at constant pressure and at ${25}^{o}C$.

(Given : $R=2\times {10}^{-3}{\text{Kcal K}}^{-1}{\text{mol}}^{-1}$)

The first ionization energy of boron is less than that of beryllium because

Identify the optically active compounds from the following
(a) $\left[Co\right(en{)}_3{]}^{3+}$
(b) $trans-\left[Co\right(en{)}_{2}C{l}_2{]}^{+}$
(c) $cis-\left[Co\right(en{)}_{2}C{l}_2{]}^{+}$
(d) $\left[Cr\right(N{H}_3{)}_{5}Cl]$

Mass of 1 atom of Hydrogen is _____

The correct order of catenation is

During the expansion of an ideal gas, the work done by the gas is $100J$ and the heat capacity of the process is found to be $+2J{/}^{o}C$. Find $△U$ of the gas if the final temperature of the gas is ${25}^{o}C$ higher than its initial temperature.

The current gain of a common emitter amplifier is $69$. If the emitter current is $7.0\text{mA}$, the collector current is,

What may
be the stable oxidation state of the transition element with the

following
d
electron configurations in the
ground state of their atoms : 3d³,

3d⁵,
3d⁸and
3d⁴?

Gold dissolves in aqua regia to give:

In this reaction sequence, the steps/reagents A, B, and C respectively are:

Predict the starting material required to produce the product.