Arrange the following in decreasing order of electrophilicity of carbonyl carbon.

Match the following lists


The correct answer is
\(A \quad B \quad C \quad D\)

For the reaction, \(\mathrm{NO}_2+\mathrm{CO} \rightleftharpoons \mathrm{NO}+\mathrm{CO}_2\) one mole of \(\mathrm{NO}_2\) and 2 moles of \(\mathrm{CO}\) were kept in a vessel. Calculate the equilibrium constant \(K_p\), if at equilibrium \(25 \%\) of initial amount CO is consumed.

If standard molar enthalpy change and standard molar internal energy change measured in bomb calorimeter are equal, which one of the following statements is correct?

The initial rates of decrease of \(\mathrm{I}_2\) in acetone - iodine reaction catalysed by \(\mathrm{H}^{+}\) are given in the table.
\(\begin{array}{|c|c|c|c|c|}
\hline \begin{array}{c}
\text { Experiment } \\
\end{array} & \begin{array}{c}
\text { Initial } \\
{\left[\mathrm{I}_2\right]} \\
\left(\mathrm{mol} \mathrm{L}^{-1}\right)
\end{array} & \begin{array}{c}
\text { Initial } \\
{\left[\mathrm{H}^{+}\right]} \\
\left(\mathrm{mol} \mathrm{L}^{-1}\right)
\end{array} & \begin{array}{c}
\text { Initial } \\
{\left[\mathrm{CH}_3 \mathrm{COCH}_3\right]} \\
\left(\mathrm{mol} \mathrm{L}^{-1}\right)
\end{array} & \begin{array}{c}
\text { Initial rate of decrease of } \mathrm{I}_2 \\
\left(\mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}^{-1}\right)
\end{array} \\
\hline 1 & 0.01 & 0.1 & 0.1 & 0.096 \\
2 & 0.01 & 0.2 & 0.1 & 0.192 \\
3 & 0.02 & 0.2 & 0.1 & 0.192 \\
4 & 0.01 & 0.2 & 0.2 & 0.384 \\
\hline
\end{array}\)
The order with respect to \(\mathrm{I}_2, \mathrm{H}^{+}\), acetone and total order of the reaction respectively are:

Lemon and orange juices contain ......... and acids respectively.

\(\mathrm{KMnO}_4\) oxidises hydrogen sulphide in acidic medium. The number of moles of \(\mathrm{KMnO}_4\) which react with one mole of hydrogen sulphide is

Two persons A and B throw three unbiased dice one after the another. If A gets the sum 13 , then the probability that \(B\) gets higher sum is

If the system of linear equations given by \(x+y+z=3,2 x+2 y-z=3, x+y-z=1\) is consistent and if \(\left(x_0, y_0, z_0\right)\) is a solution, then \(2 x_0+2 y_0+z_0=\)

A truck of mass \(2000 \mathrm{~kg}\) is moving along a circular path having radius of curvature \(10 \mathrm{~m}\). if the banking angle is \(39^{\circ}\), then the maximum permissible speed of the truck is (Acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\), take \(\tan 39^{\circ}=\) \(0.81)\)

If \(x^2-5 x+6\) is a factor of \(f(x)=x^4-17 x^3+k x^2-247 x+210\), then the other quadratic factor of \(f(x)\) is

Let $A=\left[\begin{array}{ccc}-2& x& 1\\ x& 1& 1\\ 2& 3& -1\end{array}\right]$. If the roots of the equation $detA=0$ are $l,m$, then $l^3-m^3=$

Match the pollutant in List I with its maximum permissible limit in drinking water given in List II
\(\begin{array}{|l|l|l|l|}\hline & \text{List-I} & & \text{List-II} \\ \hline \text{A.} & \text{Lead} & \text{I} & 500 \text{ ppm} \\ \hline \text{B.} & \text{Sulphate} & \text{II} & 50 \text{ ppm} \\ \hline \text{C.} & \text{Nitrate} & \text{III} & 50 \text{ ppb} \\ \hline\end{array}\)
Correct answer is