Consider the reaction \(3 \mathrm{I}^{-}+\mathrm{S}_2 \mathrm{O}_8^{2-} \longrightarrow \mathrm{I}_3^{-}+2 \mathrm{SO}_4^{2-}\), at a particular time t , \(\frac{\mathrm{d}\left[\mathrm{SO}_4^{2-}\right]}{\mathrm{dt}}\) is \(2.2 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~s}^{-1}\). What is the value of \(\frac{\mathrm{d}\left[\mathrm{S}_2 \mathrm{O}_8^{2-}\right]}{\mathrm{dt}}\) ?

Which from following carbocations is least stable?

Identify the product of following reaction.

Which from following equation is correct for relation between strandard cell potential and equilibrium constant?

Which of the following statement is not about ionic solid

What is the wave number of lowest transition in Balmer series?

Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.

If \(f(x)=\frac{x+2}{18},-2 < x < 4\)
\(=0 \quad, \quad\) otherwise,
is the p. d. f. of a r. v. X, then the value of \(\mathrm{P}(|\mathrm{X}| < 2)\) is

Calculate the density of an element with molar mass \(27 \mathrm{~g} \mathrm{~mol}^{-1}\) having 4 atoms in a unit cell with edge length 405 pm

The carriers and enzymes of ETS found on inner mitochondrial membrane the complex I and IV are ____ and ____ respectively.

If \(\bar{x}=\frac{\overline{\mathrm{b}} \times \overline{\mathrm{c}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \bar{y}=\frac{\overline{\mathrm{c}} \times \overline{\mathrm{a}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}\) and \(\overline{\mathrm{z}}=\frac{\overline{\mathrm{a}} \times \overline{\mathrm{b}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}\) where \(\overline{\mathrm{a}}, \overline{\mathrm{b}}, \overline{\mathrm{c}}\) are non-coplanar vectors, then value of \(\bar{x} \cdot(\overline{\mathrm{a}}+\overline{\mathrm{b}})+\bar{y} \cdot(\overline{\mathrm{~b}}+\overline{\mathrm{c}})+\overline{\mathrm{z}} \cdot(\overline{\mathrm{c}}+\overline{\mathrm{a}})\) is

The multiplicative inverse of \(A=\left[\begin{array}{cc}\cos \theta & -\sin \theta \\ \sin \theta & \cos \theta\end{array}\right]\)
is

Following is the probability distribution of smart phones sold in a shop per day

Then \(E(x)=\)