How many molecules of CO\(_2\)(g) are obtained on reaction of 24 grams of methane with 4moles of oxygen?

Which of the following shows negative deviation from Raoult's law?

The oxidation number of \(\mathrm{Cr}\) in \(\mathrm{CrO}_{5}\) which has the following structure, is

Identify the reagents to be used to complete the given reaction.

Which of the following statement is correct?

What would be the volume of water required to dissolve \(0.2 \mathrm{~g}\) of \(\mathrm{PbCl}_2\) of molar mass \(278 \mathrm{~g} / \mathrm{mol}\) to prepare a saturated solution of the salt? \((\mathrm{K}_{\mathrm{SP}}\) of \(\mathrm{PbCl}_2=3.2 \times 10^{-8})\)

Match the coordination compounds in Column I having the given type of hybridisation of \(\mathrm{M}^{\mathrm{n}+}\) ion and magnetic moment as given in Column II.
\(\begin{array}{|l|l|l|l|} \hline & \text { Coordination compounds. } & & \text { Hybridisation \& Magnetic nature. } \\ \hline \text { A } & \mathrm{Ni}(\mathrm{CO})_4 & \text { P } & \mathrm{sp}^3, \quad \mu=5.92 \mathrm{BM} \\ \hline \text { B } & {\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}} & \text { Q } & \mathrm{sp}^3, \quad \mu=2.84 \mathrm{BM} \\ \hline \text { C } & {\left[\mathrm{Ni}(\mathrm{Cl})_4\right]^{2-}} & \text { R } & \mathrm{sp}^3, \quad \mu=0 \\ \hline \text { D } & {[\mathrm{MnBr}]^{2-}} & \text { S } & \mathrm{dsp}^2, \quad \mu=0 \\ \hline \end{array}\)

Identify the final product \([\mathrm{D}]\) formed when Benzyl alcohol undergoes the following series of reactions
\(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH}+\mathrm{SOCl}_2 \rightarrow[\mathrm{A}]+\mathrm{KCN} \rightarrow[\mathrm{B}]+\mathrm{H}_3 \mathrm{O}^{+} \text {(partial hydrolysis) } \rightarrow[\mathrm{C}]+\mathrm{H}_3 \mathrm{O}^{+} \text {(complete hydrolysis) } \rightarrow[\mathrm{D}]\)

Which of the following does not correctly represent the order of the property indicated against it?

The sum of three numbers is 20 .
If we multiply the first number by 2 and add the second number to the result, and subtract the third number, we get 23 .
By adding second and third numbers to three times the first number, we get 46.
The above situation can be represented in matrix form as \(A X=B\) then the value of determinant formed by the cofactors of matrix A is

\(\frac{3 x^{\hat{2}}+1}{x^{2}-6 x+8}\) is equal to

Which of the following compounds will show geometric isomerism?

Gabriel phthalimide synthesis is used for the preparation of