The activation energy for a reaction at a temperature \(T\) K was found to be \(2.303 RT\) J/mol.
The ratio of the rate constant to Arrhenius factor is:

Answer the question on the basis of passage given below:
In the periodic table, the d-block contains the elements of group \(3\) to \(12\). The d-orbitals are progressively filled in each of the four long periods. The elements of d block referred as transition metals have partly filled d orbitals and exhibit certain characteristic properties such as variety of oxidation states, formation of coloured ions, act as catalyst and show paramagnetic behaviour.
The two inner transition metals series \(4f\) and \(5f\) are known as Lanthanoids and Actinoids respectively. The lanthanoids resemble one another more closely as compared to ordinary transition elements in any series.
The bonds present in the structure of dichromate ion are:

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 :

The colour of \(\left[ Ni \left( NO _2\right)_6\right]^{4-}\) complex is ______________

Which alloy is used for making bullets and lighter flints?

Arrange the following in the increasing order of their van't Hoff factors :
A. Very dilute \(MgCl_2\) solution
B. Very dilute \(AlCl_3\) solution
C. Very dilute \(NaCl\) solution
D. Very dilute \(Al_2O_3\) solution
E. Very dilute Urea solution\nChoose the correct answer from the options given below :

The integrated rate equation for a first order reaction is \(\frac{kt}{2.303} = \log R_0 - \log R_t\). The straight line graph is obtained by plotting :

A given p-n junction is forward biased. Which of the following statements is correct?

The power and aperture of lenses L1, L2 and L3 are given below in tabular format. Which pair of lenses should be chosen for constructing a microscope?

Lens	Power	Aperture
L1	3D	8 cm
L2	6D	1 cm
L3	10D	1 cm

Read the passage carefully and answer the given questions.
DNA Fingerprinting
Polymorphism in DNA sequence is the basis of genetic mapping of the human genome as well as of DNA fingerprinting. DNA fingerprinting involves identification of differences in some specific regions in the DNA sequence called repetitive DNA. It works on the principle of polymorphisms in DNA sequences. The repetitive DNA are separated from bulk genomic DNA. The bulk DNA forms a major peak and the other small peaks are referred to as satellite DNA. These repetitive/satellite DNA sequences show a high degree of polymorphisms and form the basis of DNA fingerprinting.
One of the most frequently used techniques in DNA fingerprinting is

Match List I with List - II.

List-I (Transformer)	List-II
(A) Flux leakage	(I) Laminated core
(B) Energy loss due to resistance of winding	(II) By winding the primary and secondary one over the other
(C) Eddy current loss	(III) Using thick wires
(D) Hysteresis	(IV) By using soft iron core

Choose the correct answer from the options given below :

The effective rate, which is equivalent to a nominal rate of \(12 \%\) compounded semi-annually, is

When 1 mol of CrCl\(_3\) \(\cdot\) 6H\(_2\)\(O\) is treated with excess AgNO\(_3\), 3 mol of AgCl are obtained.
The conductivity of the solution will correspond to: