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During the electrolysis of molten sodium chloride, the time required to produce $0.10 \text{ mol}$ of chlorine gas using a current of $3 \text{ amperes}$ is
The solubility product of $\text{BaSO}_4$ in water is $1.5 \times 10^{-9}$. The molar solubility of $\text{BaSO}_4$ in $0.1\text{ M}$ solution of $\text{Ba(NO}_3\text{)}_2$ is:
Predict the order of reactivity of the following four isomers towards $\text{S}_\text{N}2$ reaction. (I) $\text{CH}_3\text{CH}_2\text{CH}_2\text{CH}_2\text{Cl}$ (II) $\text{CH}_3\text{CH}_2\text{CH}(\text{Cl})\text{CH}_3$ (III) $(\text{CH}_3)_2\text{CHCH}_2\text{Cl}$ (IV) $(\text{CH}_3)_3\text{CCl}$
The conductivity of centimolar solution of KCl at $25^{\circ}\text{C}$ is $0.0210\text{ ohm}^{–1}\text{ cm}^{–1}$ and the resistance of the cell containing the solution at $25^{\circ}\text{C}$ is $60\text{ ohm}$. The value of the cell constant is:
The salt solution that is basic in nature is:
Given the following two reactions: $A + B \rightleftharpoons C + D$, with equilibrium constant $K_1$ $E + F \rightleftharpoons G + H$, with equilibrium constant $K_2$ What is the equilibrium constant for the reaction $C + D + E + F \rightleftharpoons A + B + G + H$?
For the equilibrium $2\text{NOCl}(g) \rightleftharpoons 2\text{NO}(g) + \text{Cl}_2(g)$ the value of the equilibrium constant is $3.0 \times 10^{-6}$ at $1000\text{ K}$. Find $K_p$ for the reaction at this temperature (Given $R = 8.314\text{ J K}^{-1}\text{mol}^{-1}$):
The hydrogen ion concentration of a $10^{-8}\text{ M}$ HCl aqueous solution at 298 K ($K_w = 10^{-14}$) is:
At room temperature, MY and $NY_3$, two nearly insoluble salts, have the same $K_{sp}$ values of $6.2 \times 10^{-13}$. The true statement regarding MY and $NY_3$ is:
A buffer solution is prepared in which the concentration of $NH_3$ is 0.30 M and the concentration of $NH_4^+$ is 0.20 M. If the equilibrium constant, $K_b$ for $NH_3$ equals $1.8 \times 10^{-5}$, then what is the pH of this solution? ($\log 1.8 = 0.25$; $\log 0.67 = -0.176$)
If $0.01\text{ M}$ acetic acid solution is $1\%$ ionised, then pH of this acetic acid solution is:
Mark the conditions that favour the maximum product formation in the given reaction: $A_2(g) + B_2(g) \rightleftharpoons X_2(g), \Delta_r H = -X \text{ kJ}$
The solubility of $BaSO_4$ in water is $2.42 \times 10^{-3} \text{ g L}^{-1}$ at $298 \text{ K}$. The value of the solubility product will be: (Molar mass of $BaSO_4 = 233 \text{ g mol}^{-1}$)
HCl with an alkene X reacts in accordance with Markovnikov’s rule to give 1-Chloro-1-methylcyclohexane. The structure of alkene (X) is:
The reagent that can be used to distinguish between 1-butyne and 2-butyne is:
Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar = 100 J)
The molecular formula of diphenylmethane is $\text{C}_{13}\text{H}_{12}$. Find out the number of structural isomers possible when one of the hydrogens is replaced by a chlorine atom:
For a given exothermic reaction, $K_p$ and $K_p'$ are the equilibrium constants at temperatures $T_1$ and $T_2$ respectively. Assuming that the heat of reaction is constant in the temperature range between $T_1$ and $T_2$, it is readily observed that: (Assume $T_2 > T_1$)
The 2-chlorobutane obtained by chlorination of n-butane will be:
Which of the following is suitable to synthesize chlorobenzene?