Explore topic-wise InterviewSolutions in Current Affairs.

How
does the atomic hydrogen or oxy-hydrogen torch function for cutting
and welding
purposes? Explain.

According to molecular orbital theory, which of the following does not exist?

1. 14

Which of the following figure represents the End-centred unit cell?

Which of the following is not a byproduct of Hoffmann bromamide degradation of acetamide with alcoholic KOH?

1. 2.1

The heat of atomization of a compound $X{Y}_3$ in gaseous state is $EkJmo{l}^{-1}$. What is the bond energy of $X-Y$ bond in $kJmo{l}^{-1}$ unit?

One mole of an ideal gas is taken from a to b along two paths denoted by the solid and the dashed lines as shown in the graph below. It the work done along the solid line path is $W_s$ and that along the dotted line path is $\frac{W_d}{W_s}$ is ___

In the reaction $C{H}_{3}C{H}_{3}N{H}_2+C{H}_{3}MgBr\to X,$ .The product is :

For a weak acid HA of concentration $C$ and constant $K_a$. The incorrect statement is -

Compound(s) that on hydrogenation produce(s) optically inactive compound(s) is (are)

Which catalyst is used in the contact process to convert sulphur dioxide into sulphur trioxide?

For the reduction of $N{O}_3^{\ominus }$ ion in an aqueous solution, $E^{\ominus }$ is +0.96 V, the values of $E^{\ominus }$ for some metal ions are given below:
$\left(i\right)V^{2+}\left(aq\right)+2e^{-}\to V;E^{\ominus }=-1.19V$
$\left(ii\right)F{e}^{3+}\left(aq\right)+3e^{-}\to Fe;E^{\ominus }=-0.04V$
$\left(iii\right)A{u}^{3+}\left(aq\right)+3e^{-}\to Au;E^{\ominus }=+1.40V$
$\left(iv\right)H{g}^{2+}\left(aq\right)+2e^{-}\to Hg;E^{\ominus }=+0.86V$

The pair(s) of metals that is/are oxidized by $N{O}_3^{\ominus }$ in aqueous solution is/are
(IIT-JEE, 2010)

The number of antibonding electron pairs in $O_2^{-2}$ molecular ion on the basis of molecular orbital theory is -

Find the major product of the following reaction.

Which is the correct expression that relates changes of entropy with the change of pressure for an ideal gas at constant temperature, among the following?

Explain with example how oxidation number helps us to balance a chemical reaction ?

Calculate the number of formula units of $CuS{O}_4.5H_{2}O$ present in ${10}^{-13}$ moles of pure $CuS{O}_4.5H_{2}O$.

Which of the following is correct adsorption isobar for chemisorption ?

Here,

$\left(\frac{x}{m}\right)$ is extent of adsorption per unit mass of adsorbent