Explore topic-wise InterviewSolutions in Current Affairs.

In Ostwald-Walker method, dry air is passed through a solution beaker, then a pure solvent beaker and then, through the dehydrating agent. Which of the following statement is correct regarding the above setup?

Here,

$p^{\circ }\text{is the vapour pressure of the pure solvent}$

$p_s\text{is the vapour pressure of the solution}$

If $C_1,C_2,C_3$.........represent the speeds of $n_1,n_2,n_3$......... molecules, then the root mean square speed is _____.

The standard Gibbs free energy change for the reaction:

$2NOBr\left(g\right)\rightleftharpoons 2NO\left(g\right)+B{r}_2\left(g\right)$

is $+12.50\text{kJ/mole}$ at ${27}^{\circ }\text{C}$. What is the equilibrium constant for the reaction at ${27}^{\circ }\text{C}$?

In the reaction:
$2Al\left(s\right)+6HCl\left(aq\right)\to 2A{l}^{3+}\left(aq\right)+6C{l}^{-}\left(aq\right)+3H_2\left(g\right)$ Calculate the volume of $H_2$ gas (L) produced at $STP$(atm) for every 3 mol of $HCl$ consumed.

The product of the following reaction :

[RPET 2000]

The reaction: $\underset{\left(WaterGas\right)}{\overset{CO+H_2}{\to }}+H_2\underset{673k,300atm}{\overset{C{r}_2{O}_3,ZnO}{\to }}$ May be used for the manufacture of

Which of the following compound has chiral carbon atom?

Primary amine on heating with $C{S}_2$followed by excess of mercuric chloride gives Isothiocyanate. The reaction is called

The equilibrium constant for the reaction,

$\frac{1}{2}{H}_2\left(g\right)+\frac{1}{2}{I}_2\left(g\right)\rightleftharpoons HI\left(g\right)\text{is}{K}_c$

Equilibrium constant for the reaction,

$2HI\left(g\right)\rightleftharpoons H_2\left(g\right)+I_2\left(g\right)$ will be

A compound is having an observed rotation of +8.4. The rotation for the pure enantiomer is calculated as +12. The composition of mixture in terms of dextrorotatory $\left(d\right)$ and levorotatory $\left(l\right)$ is:

What is the effect of the following processes on the bond order in $N_2$ and $O_2$ ?

(i). $N_2\to N_2^{+}+e^{-}$

(ii) $O_2\to O_2^{+}+e^{-}$

1 mole of an ideal gas is compressed isothermally and reversibly at 298 K from a pressure of 1 Pa. To do a work of 100J, to what final pressure should we compress it? (R = 8.314 J/K/mol)

The option in which all the groups show electron donating nature when attached to a benzene ring are :

A gas phase reaction $R\to A+B+C+D$ follows first order kinetics. The initial pressure was $x_o$, the pressure after 10 minutes was $y$. The correct expression for the rate constant $k$ is :

Which of the following will show optical activity?

Considering the below chemical reaction, identity the product “$X$”:

The oxidation states of nitrogen in $NO,N{O}_2,N_{2}O\text{and}N{O}_3^{–}$ are in the order of

What do you understand by 'chemical reaction' ?

Which of the following(s) will undergo acid-base reaction with Grignard reagent ?

From which of the following reactions, $K_P=K_C$?

is a gaseous mixture of carbon monoxide and nitrogen.

In a set reactions m-bromobenzonic acid gave a product D. Identify the product D.

Among the following compounds, which one does not reacts with aniline to give acetanilide?