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Among the electrolytes given below $K_{2}S{O}_4,BaC{l}_2,A{l}_2(S{O}_4{)}_3$ and $N{H}_{4}Cl$ which will be the most effective coagulating agent for $S{b}_2{S}_3$ sol?

Which of the following will have lower P^Kb value

Match the following.

The standard molar enthalpies of formation of cyclohexane (l) and benzene (l) at ${25}^{\circ }C$ are -156 and +49 kJ/mol. The standard enthalpy of hydrogenation of cyclohexene (l) at ${25}^{\circ }C$ is -119 kJ/mol. Estimate the magnitude of resonance energy.

Which of these alkyl halides will undergo $S_{N}1$ reaction at the fastest rate?

A hydrate of iron $\left(III\right)$ thiocyanate $Fe(SCN{)}_3$, was found to contain $19\%H_{2}O$. What is the formula of the hydrate.

(Given: Molecular weight of $Fe=56\text{u},S=32\text{u}$)

Which of the following molecules is not a lone pair donor?

Find out the solubility of $Ni(OH{)}_2$ in $0.1MNaOH$. Given that the ionic product of $Ni(OH{)}_2$ is $2\times {10}^{-15}$.

For the following reaction, the product can be:

Which of the following biphenyls is optically active?

In each of the following pairs of ions which ion is more stable?

Which one of the following alkali metal chlorides has the highest melting point?

The volume of 95% H₂SO₄ (density = 1.85 g/cc) needed to prepare 100cc of 15% solution of H₂SO₄ (density = 1.10 g/cc) will be

A hypothetical sub-atomic particle has a mass $\frac{1}{9.1}$ times of an electron and a charge double than that of a proton. Calculate the charge to mass ratio.

What volume of $96\%$ $H_{2}S{O}_4$ solution $\left(\text{density}1.83\text{g/mL}\right)$ is required to prepare $4\text{liter}$ of $3.0\text{M}$ $H_{2}S{O}_4$ solution?

Conductance measurements can be used to detect the end point of acid-base titrations. Which of the following plots correctly represent the end point of the titration of monobasic strong acid and a monoacidic strong base?

An
organic compound with the molecular formula C₉H₁₀O
forms 2, 4-DNP derivative, reduces Tollens’ reagent and
undergoes Cannizzaro reaction. On vigorous oxidation, it gives 1,
2-benzenedicarboxylic acid. Identify the compound.

A solution that obeys Raoult's law is:

Which of the following is the strongest Lewis acid

$H_{3}P{O}_4$ is syrupy and viscous due to

Calculate the wavelength of the radiation that would cause photo dissociation of chlorine molecule if the $Cl-Cl$ bond energy is $240\text{kJ/mol}$.
(take Avogadro's number to be $6\times {10}^{23}$, and Planck's constant (h) = $6.6\times {10}^{-34}\text{J s}$)