Lithium aluminium hydride reacts with silicon tetrachloride to form

\([image]\) Maleic anhydride Maleic anhydride can be prepared by :

The correct order of the following complexes in terms of their crystal field stabilization energies is _______.

The ionization enthalpy of \(Na ^{+}\) formation from \(Na _{( g )}\) is \(495.8\, kJ\, mol ^{-1},\) while the electron gain enthalpy of \(Br\) is \(-325.0\, kJ\, mol ^{-1}\). Given the lattice enthalpy of \(NaBr\) is \(-728.4\, kJ\, mol ^{-1}\). The energy for the formation of NaBr ionic solid is \((-)\) ........... \(\times 10^{-1} kJ \,mol ^{-1}\)

Consider the ions/molecule \(O _{2}^{+}, O _{2}, O _{2}^{-}, O _{2}^{2-}\) For increasing bond order the correct option is ..... .

The equilibrium constant for the reaction \(\mathrm{SO}_3(\mathrm{~g}) \rightleftharpoons \mathrm{SO}_2(\mathrm{~g})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g})\) is \(\mathrm{K}_{\mathrm{C}}=4.9 \times 10^{-2}\). The value of \(\mathrm{K}_{\mathrm{C}}\) for the reaction given below is \(2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_3(\mathrm{~g})\) is _______.

The correct order of bond dissociation energy among \(N_2, O_2, O_2^-\) is shown in which of the following arrangements?

Heat energy of \(184\,kJ\) is given to ice of mass \(600\,g\) at \(-12^{\circ}\,C\), Specific heat of ice is \(2222.3\,J\,kg ^{-1^{\circ}}\,C ^{-1}\) and latent heat of ice in \(336\,kJ / kg ^{-1}\) \((A)\) Final temperature of system will be \(0^{\circ} C\). \((B)\) Final temperature of the system will be greater than \(0^{\circ} C\). \((C)\) The final system will have a mixture of ice and water in the ratio of \(5: 1\). \((D)\) The final system will have a mixture of ice and water in the ratio of \(1: 5\). \((E)\) The final system will have water only. Choose the correct answer from the options given below:

The correct option with order of melting points of the pairs \((\mathrm{Mn}, \mathrm{Fe}),(\mathrm{Tc}, \mathrm{Ru})\) and \((\mathrm{Re}, \mathrm{Os})\) is which?

Given below are two statements. One is labelled as Assertion \(A\) and the other is labelled as Reason \(R\). Assertion A :Two identical balls \(A\) and \(B\) thrown with same velocity '\(u\) ' at two different angles with horizontal attained the same range \(R\). If \(A\) and \(B\) reached the maximum height \(h_{1}\) and \(h_{2}\) respectively, then \(R =4 \sqrt{ h _{1} h _{2}}\) Reason R: Product of said heights. \(h _{1} h _{2}=\left(\frac{u^{2} \sin ^{2} \theta}{2 g }\right) \cdot\left(\frac{u^{2} \cos ^{2} \theta}{2 g }\right)\) Choose the \(CORRECT\) answer 

For the reaction, \(3A+2B \to C + D\), the differential rate law can be written as

In a closed flask at \(600\) K, one mole of X\(_2\)Y\(_4\)(g) attains equilibrium as given below :
\(\text{X}_2\text{Y}_4(g) \rightleftharpoons 2\text{XY}_2(g)\)
At equilibrium, \(75\%\) X\(_2\)Y\(_4\)(g) was dissociated and the total pressure is \(1\) atm. The magnitude of \(\Delta_r G^{\ominus}\) (in kJ mol\(^{-1}\)) at this temperature is __________. (Nearest Integer) (Given : R \(= 8.3\) J mol\(^{-1}\) K\(^{-1}\); \(\ln 10 = 2.3\), \(\log 2 = 0.3\), \(\log 3 = 0.48\), \(\log 5 = 0.69\), \(\log 7 = 0.84\))

\(A + 2B + 3C \rightleftharpoons A{B_2}{C_3}\) Reaction of \(6.0\, g\) of \(A\), \(6.0\times10^{23}\) atoms of \(B\), and \(0.036\, mol\) of \(C\) yields \(4.8\, g\) of compound \(AB_2C_3\) . If the atomic mass of \(A\) and \(C\) are \(60\) and \(80\, amu\), respectively, the atomic mass of \(B\) is .............. \(\mathrm{amu}\) (Avogadro no . \(= 6 \times10^{23}\))