Explore topic-wise InterviewSolutions in Current Affairs.

Aniline reacts with mixed acid(conc.$HN{O}_3$ and conc.$H_{2}S{O}_4$ at 288K to give P (51%),Q (47%) and R(2%) . The major product(s) of the following reaction sequence is (are)

The step which is not involved in dehydration of alcohol is:

A
mixture of 1.57 mol of N₂,
1.92 mol of H₂
and 8.13 mol of NH₃
is introduced into a 20 L reaction vessel at 500 K. At this
temperature, the equilibrium constant, K_c
for the reaction

Is
the reaction mixture at equilibrium? If not, what is the direction of
the net reaction?

A compound of boron X reacts at ${200}^{\circ }C$ temperature with $N{H}_3$ to give another compound $Y$ which is called as inorganic benzene. The compound $Y$ is a colourless liquid and is highly sensitive. Its melting point is $-{57}^{\circ }C$. The compound $X$ with excess $N{H}_3$ and at a still higher temperature gives boron nitride ${\left(BN\right)}_n$. The compounds $X$ and $Y$ respectively are:

An electron in Bohr's hydrogen atom has an energy of -3.4 $eV$. The angular momentum of the electron is

Molarity of 29 (w/w) H₂SO₄ solution whose density is 1.22g/ml is?

Which of the following reagents can be used to oxidise primary alcohols to aldehydes?
(a) $Cr{O}_3$ in anhydrous medium
(b) $KMn{O}_4$ in acidic medium
(c) Pyridinium chlorochromate
(d) Heat in the presence of Cu at 573K

The heat liberated on complete combustion of $7.8g$ benzene is $327KJ$. This heat has been measured at constant volume and at ${27}^{0}C$. What is the heat of combustion of benzene at constant pressure at ${27}^{0}C(R=8.3Jmo{l}^{-1}{K}^{-1})$

When Xenon reacts with fluorine in a ratio of 1:5 at a temperature of 873 K it forms:

$C{H}_3-C{H}_2-CH=C{H}_2$ What is the IUPAC name of the following compound?

Name the
macromolecules that are chosen as drug targets.

In LiI Crystal, I- ions form a cubical closest packed arrangement and Li+ ions occupy octahedral holes. Calculate the limiting ionic radii of Li+ and I-- if a= 600pm.

The names of the following compounds are respectively?

The IUPAC name $\left[Ni\right(N{H}_3{)}_4\left]\right[NiC{l}_4]$ is :

Calculate the molal depression constant of a solvent which has freezing point of ${27}^{\circ }C$ and latent heat of fusion of $180J{g}^{-1}$

The mirror image of following figure is



निम्नलिखित चित्र का दर्पण प्रतिबिम्ब है

Which of the following compound has the lowest boiling point?

The
product of acid catalysed hydration of 2-phenyl properties is:

Select the correct statement.

In the equation Rate= e^-Ea/RT, represents:

Which of the following will form a tribromo derivative of phenol?

Which of the following is correct nucleophilicity order ?

Sulphur trioxide gas is an important precursor to manufacture sulphuric acid. It is produced by the catalytic oxidation of $S{O}_2$ gas. Which of the following are suitable catalysts for the process?