Identify the angle \(\mathrm{O}-\mathrm{S}-\mathrm{O}\) in \(\mathrm{SO}_2\) molecule.

Which element from following has half-filled \(\mathrm{f}\) orbital in +3 oxidation state

What is IUPAC name of the following compound?

Calculate the pH of buffer solution containing 0:027M weak acid and 0.054 M of its salt with strong base if \(\mathrm{pK}_{\mathrm{a}}\) is 4.2 .

What is the coordination number of a particle in fcc structure?

For a reaction \(\mathrm{A}+\mathrm{B} \rightarrow\) products \(\Delta \mathrm{H}\) is \(-84.2 \mathrm{~kJ}\) and \(\Delta \mathrm{S}\) is \(-200 \mathrm{~J} \mathrm{~K}^{-1}\). Calculate the highest value of temperature so that the reaction will proceed in forward direction.

Calculate the molar mass of an element having density \(5.6 \mathrm{~g} \mathrm{~cm}^{-3}\) that forms bcc structure. \(\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=75 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]\)

Derivative of \(\tan ^{-1} \sqrt{\frac{1-x}{1+x}}\) w.r.t. \(\cos ^{-1}\left(4 x^3-3 x\right)\) is

If \(\overline{\mathrm{a}}, \overline{\mathrm{b}}, \overline{\mathrm{c}}\) are non-coplanar vectors and \(\overline{\mathrm{p}}=\frac{\overline{\mathrm{b}} \times \overline{\mathrm{c}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \overline{\mathrm{q}}=\frac{\overline{\mathrm{c}} \times \overline{\mathrm{a}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \overline{\mathrm{r}}=\frac{\overline{\mathrm{a}} \times \overline{\mathrm{b}}}{[\overline{\mathrm{a}} \overline{\mathrm{b}} \overline{\mathrm{c}}]}, \quad\) then \(2 \overline{\mathrm{a}} \cdot \overline{\mathrm{p}}+\overline{\mathrm{b}} \cdot \overline{\mathrm{q}}+\overline{\mathrm{c}} \cdot \overline{\mathrm{r}}=\)

Identify the element having highest density from following.

What is the \(\mathrm{pH}\) of the solution containing \(1.342 \times 10^{-3} \mathrm{M} \mathrm{H}^{+}\) ions? \((\log 1.342=0.1277)\)

Metallic silver has fcc structure. If radius of Ag atom is 144 pm . What is the edge length of unit cell?

Abscission layer formation is accelerated by _____________ .