Match the following.

Identify the incorrect statement about the interhalogen compounds

According to kinetic molecular theory of gases, which of the following statements are correct? a) The actual volume of the molecules is negligible in comparison to the empty space between them. b) Collisions of gas molecules are inelastic. c) At any particular time, different particles in the gas have the same speed and same kinetic energies. d) Pressure is exerted by the gas as a result of collision of the particles with the walls of the container.

The number of no bond resonance structures possible for but-1-ene and a \(3^{\circ}\) carbocation having methyl, ethyl and isobutyl groups on cationic carbon respectively are

Assertion (A) Atoms with completely filled and half-filled subshells are stable. Reason (R) Completely filled and half-filled subshells have symmetrical distribution of electrons and have maximum exchange energy. The correct answer is

Which one of the following is most acidic?

Identify the correct statements from the folluwing (A) At 298 K, the potential of hydrogen electrode placed in a solution of \(\mathrm{pH}=10\), is -0.59 V (B) The limiting molar conductivity of \(\mathrm{Ca}^{2+}\) and \(\mathrm{Cl}^{-}\)is 119 and \(76 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}\) respectively. The limiting molar conductivity of \(\mathrm{CaCl}_2\) is \(195 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-\frac{1}{2}}\) (C) The correct relationship between \(\mathrm{K}_{\mathrm{c}}\) and \(\mathrm{E}_{\text {cell }}^0\) is \(\mathrm{E}_{\mathrm{ccll}}^{-}=\frac{2.303 \mathrm{RT}}{\mathrm{nF}} \log \mathrm{~K}_{\mathrm{c}}\)

If \(\mathbf{a}, \mathbf{b}\) and \(\overline{\mathbf{c}}\) are three vectors with magnitudes 1,1 and 2 respectively and \(\mathbf{a} \times(\mathbf{a} \times \mathbf{c})+\mathbf{b}=0\), then the angle between \(a\) and \(c\) is

A triangle is formed by \(Y\)-axis, the straight line \(L\) passing through the points \((3,0),\left(1, \frac{4}{3}\right)\) and the straight line perpendicular to the line \(L\) and passing through the point \((8,1)\). Then, the area of the triangle (in sq units) is

The normal at a point on the parabola \(y^2=4 x\) passes through \((5,0)\). If there are two more normals to this parabola which pass through \((5,0)\), the centroid of the triangle formed by the feet of these three normals is

In a triangle \(\mathrm{ABC},\left(r_2+r_3\right) \operatorname{cosec}^2\left(\frac{\mathrm{~A}}{2}\right)=\)

A box of mass \(m\) is in equilibrium under the application of three forces as shown below. If the magnitude of \(\mathbf{F}_1\) is \(10 \mathrm{~N}\), what is the magnitude of \(\mathbf{F}_3\) ?

Kaolinite is a silicate mineral of metal ' \(X^{\prime}\) and calamine is a carbonate mineral of metal ' \(Y\) '. \(X\) and \(Y\) respectively are