What is the product of nitration of Benzoic acid?

The gas evolved when methylamine reacts with nitrous acid is

Which one of the following ions is paramagnetic in nature?

What will be the increasing order of basic strength of the following compounds?
\(C_2 H_5 NH_2,\left(C_2 H_5\right)_2 NH,\left(C_2 H_5\right)_3 N, C_6 H_5 NH_2\)

Select the correct increasing order of conductivity of the given complexes in their solution
(A) \(\left[ Co \left( NH _3\right)_6\right] Cl _3\)
(B) \(\left[ Cr \left( NH _3\right)_5 Cl \right] Cl _2\)
(C) \(\left[ Co \left( NH _3\right)_4 Cl _2\right] Cl\)
(D) \(\left[ Co \left( NH _3\right)_3 Cl _3\right]\)
Choose the correct answer from the options given below:

The decomposition of N\(_2\)\(\mathrm{O}_5\) in CCl\(_4\) at 318K has been studied by monitoring the concentration of N\(_2\)\(\mathrm{O}_5\) in the solution. Initially, the concentration of N\(_2\)\(\mathrm{O}_5\) is 2.33 mol/L and after 184 minutes, it is reduced to 2.08 mol/L. The reaction takes place according to the equation
2N\(_2\)\(\mathrm{O}_5\)(g) \(\rightarrow\) 4NO\(_2\)(g) + O\(_2\)(g)
The average rate of this reaction in different units will be:

The standard reduction potential for \(\text{Sn}^{4+}/\text{Sn}^{2+}\) is \(+0.15\text{ V}\) and for \(\text{Cr}^{3+}/\text{Cr}\) is \(-0.74\text{ V}\). These two half-cells, coupled in their standard states, are connected to make a cell. The galvanic cell can be correctly represented by :

Match List I with List II

List I (Drug)	List ll (Plant)
(A) Morphine	(I) Tobacco
(B) Cannabinoids	(II) Erythroxylum coca
(C) Cocaine	(III) Papaver somniferum
(D) Nicotine	(IV) Cannabis sativa

Choose the correct answer from the options given below:

Read the passage carefully and answer the given questions.
Recombinant DNA Technology
Asexual reproduction preserves the genetic information, while sexual reproduction permits variation. Traditional hybridization procedures used in plants and animals breeding very often lead to inclusion and multiplication of undesirable genes along with the desired genes. The techniques of genetic engineering, which include creation of recombinant DNA, use of gene cloning and gene transfer, overcome this limitation and allow us to isolate and introduce only one or a set of desirable genes without introducing genes into the target organism.
Which one of the following options is correct for working of restriction enzymes?

The straight line \(\frac{x+2}{3} = \frac{z-3}{-2}, y=2\) is

A plane electromagnetic wave of frequency 30 MHz travels in free space along the \( x \)-direction.
At a particular point in space and time, \( \vec{E} = 6.3\hat{j} \text{ V/m} \).
The magnetic field \( \vec{B} \) at this point would be:

The point which provides the optimal solution of the linear programming problem maximize \(z=21 x+35 y\)
\(\begin{array}{l}3 x+2 y \leq 30 \\4 x+5 y \leq 60 \\x \geq 0, y \geq 0\end{array}\)
has the coordinates

If \(a_{i j}\) represents the element of \(i^{\text {th }}\) row and \(j^{\text {th }}\) column and \(A_{i j}\) is the corresponding cofactor, then for the matrix \(A=\left[\begin{array}{ccc}1 & -1 & 0 \\ 2 & 0 & 1 \\ 3 & 4 & 2\end{array}\right]\) the value of \(a_{11} A_{21}+a_{12} A_{22}+a_{13} A_{23}\) is: