Which of the following statement(s) is (are) not associated with \(\text{S}_\text{N}1\) reaction:
(A) Rearrangement is possible.
(B) The rate is affected by solvent polarity.
(C) The strength of nucleophile is involved in rate determining step.
(D) The reaction order of alkyl halides is tertiary > secondary > primary.
(E) Proceeds with complete inversion of configuration.
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The correct statement(s) regarding the standard electrode potential, \(E^{\circ}\) are
(A) The standard electrode potential changes with the change in the concentration of electrolytes
(B) The standard electrode potential is always zero at 273 K
(C) The concentration of each ion in the solution is unity.
(D) All the gases involved are at 1 bar
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Identify the type of defect in the above solid. (The image for the 'above solid' is missing but question asks to identify defect in 'the above solid')

_________ is the rate of a reaction at a particular moment of time.

For the cell \(Ni(s)\ |\ Ni^{2+}\ (0.1M)\ ||\ Cu^{2+}\ (0.1M)\ |\ Cu(s)\), the cell potential will increase when :

Match List-l with List-ll

List-I	List-II
(A) Gatterman-Koch reaction	(I) \(\ CrO_2CI_2/CS_2\)
(B) Rosenmund reduction	(II) Acyl chloride and anhyd.\(\ AICI_3\)
(C) Etard reaction	(III) CO, HCI, \(\ AICI_3\)CuCl
(D) Friedel Craft acylation	(IV) \(\ H_2/Pd-BaSO_4\)

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Name the reaction when carboxyclic acids having an a -hydrogen are halogenated at the a-position on treatment with chlorine in the presence of a small amount of red phosphorus.

Match List-I with List-II

List-I	List-II
A. Reactance	(I) LCR Circuit
B. Inductance	(II) \(\frac{\rho l}{\pi r^2}\)
C. Capacitance	(III) \(\frac{\varepsilon_0 A}{d}\)
D. Impedance	(IV) \(\frac{\mu_0 N^2 A}{L}\)

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Read the passage carefully and answer the questions
The osmotic pressure is one of the four colligative properties which depends on the number of particles of solute in the solution, irrespective of their nature. The osmotic pressure is equal to the product of concentration, gas constant and temperature. It is the most commonly used property for the determination of the molar mass of biomolecules. In many situations, the molecules get dissociated or associated when they are dissolved in a solvent, thereby changing the number of molecules in the solution. As a result, an abnormal molecular mass is obtained. The extent of dissociation or association is given by van't Hoff factor (i), which is the ratio of normal molar mass to abnormal molar mass. It is related with the degree of association or ionization. The introduction of van't Hoff factor in the osmotic pressure equation modifies the equation.
\[Itext\{Osmotic pressure\} ((Pi) \text\{of a solution does not depend upon\}\}]

Identify the correct sequence of structures formed during spermatogenesis in humans?
(A) Spermatozoa
(B) Secondary spermatocytes
(C) Spermatogonia
(D) Spermatid
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Aniline reacts as shown below:
\(C_6 H_5 NH_2 \xrightarrow[0-5^{\circ} C]{NaNO_2+HCl} A \xrightarrow[KCN]{CuCN} B\)
The compound \(B\) is:

Which of the following could not be a rate determining step?

The statements are not true for allergy :
(A) Allergy is due to release of chemicals like histamine and serotonin
(B) Allergens are the subtances which cause allergy
(C) The antibodies produced due to allergens are IgA type
(D) Adrenalin and steroids quickly enhance the symptoms of allergy
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