The molar conductivity of \(0.007 \,\mathrm{M}\) acetic acid is \(20 \, \mathrm{~S} \, \mathrm{~cm}^{2} \,\mathrm{~mol}^{-1}\). What is the dissociation constant of acetic acid? (In \(\times 10^{-5} \,\mathrm{~mol} \,\mathrm{~L}^{-1}\)) \([\Lambda_{\mathrm{H}^{+}}^{\circ}=350 \,\mathrm{~S}\, \mathrm{~cm}^{2}\, \mathrm{~mol}^{-1},\Lambda_{\mathrm{CH}_{3} \mathrm{COO}^{-}}^{\circ}=50\, \mathrm{~S}\, \mathrm{~cm}^{2}\, \mathrm{~mol}^{-1}]\)

Phosphoric acid ionizes in three steps with their ionization constant values \(K_{a_1}, K_{a_2}\) and \(K_{a_3}\), respectively,
While K is the overall ionization constant.
Which of the following statements are true?
A. \(\log K =\log K _{ a _1}+\log K _{ a _2}+\log K _{ a _3}\)
B. \(H _3 PO _4\) is a stronger acid than \(H _2 PO _4^{-}\)and \(HPO _4^{2-}\)
C. \(K_{a_1}>K_{a_2}>K_{a_3}\)
D. \(K_{a_1}=\frac{K_{a_3}+K_{a_2}}{2}\)

The stability of \(Cu ^{2+}\) is more than \(Cu ^{+}\)salts in aqueous solution due to -

Following solutions were prepared by mixing different volumes of \(NaOH\) and \(HCl\) of different concentrations \((a)\;\;60\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+40 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((b)\;\;55\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+45 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((c)\;\;75\; \mathrm{mL} \frac{\mathrm{M}}{5}\; \mathrm{HCl}+25 \;\mathrm{mL} \frac{\mathrm{M}}{5} \;\mathrm{NaOH}\) \((d)\;\;100\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+100 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \(pH\) of which one of them will be equal to \(1\) ?

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group ?

The Crystal Field Stablilisation Energy \((CFSE)\) for \(\left[\mathrm{CoCl}_{6}\right]^{4-}\) is \(18000 \;\mathrm{cm}^{-1}\). The \(CFSE\) for \(\left[\mathrm{CoCl}_{4}\right]^{2-}\) will be ......\({cm}^{-1}\)

Identify the correct formula of oleum from the following

Reaction by which benzaldehyde cannot be prepared

In the equation GPP \(- R = NPP\) (GPP is Gross Primary Productivity)(NPP is Net Primary Productivity)\(R\) here is

One mole of a gas obeying the equation of state \(P(V-b)=R T\) is made to expand from a state with coordinates \(\left(P_{1}, V_{1}\right)\) to a state with \(\left(P_{2}, V_{2}\right)\) along a process that is depicted by a straight line on a \(P-V\) diagram. Then, the work done is given by

In which one of the following, the ovules are not enclosed by an ovary wall and remain exposed ?

Statements related to human Insulin are given below. Which statement(s) is/are correct about genetically engineered Insulin? \((a)\) Pro-hormone insulin contain extra stretch of C-peptide \((b)\) A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. \((c)\) Insulin used for treating Diabetes was extracted from Cattles and Pigs. \((d)\) Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. \((e)\) Some patients develop allergic reactions to the foreign insulin. Choose the most appropriate answer from the options given below:

The rate of decomposition is faster in the ecosystem due to following factors \(EXCEPT\)