Match List - I with List - II.

List – I (Conversion)	List - II (Reagent)
(A) Conversion of phenol to salicylaldehyde	(1) Zinc dust
(B) Conversion of phenol to benzene	(II) \(Na _2 Cr _2 O _7 / H _2 SO _4\)
(C) Conversion of phenol to benzoquinone	(III) NaOH and \(CO _2 / H ^{+}\)
(D) Conversion of phenol to o-hydroxybenzoic acid	(IV) \(CHCl _3+\) aq. NaOH

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The standard electrode potential of copper is positive. Which of the following statements is not true?

The number of electrons gained by dichromate ions in acidic medium is :

Which among the following is not a broad spectrum antibiotic?

Excess of Lead from human body can be removed by using which of the following chelating agents?

Match the complex given in List - I with the number of unpaired electrons given in List - II

List-I (Complex)	List-II (Number of unpaired electrons (n))
(A) \(\left[ NiCl _4\right]^{2-}\)	(I) 5
(B) \(\left[ Co \left( NH _3\right)_6\right]^{3 +}\)	(II) 1
(C) \(\left[ FeF _6\right]^{3-}\)	(III) 2
(D) \(\left[ Fe ( CN )_6\right]^{3-}\)	(IV) \(0\)

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Read the Passage carefully and answer the Questions
Kinetic studies not only help us to determine the rate of a chemical reaction but also describe the conditions by which the reaction rates can be altered.
The factors such as concentration, temperature, pressure and catalyst affect the rate of a reaction.
The speed of a reaction or the rate of a reaction can be defined as the change in concentration of a reactant or product in unit time.
Rate \(=k[A]^x[B]^y\)
Here \(k\) is the rate constant
\(x+y\) gives the overall order of a reaction, whereas \(x\) and \(y\) represent the order with respect to the reactants \(A\) and \(B\), respectively.
If the temperature is raised by \(10^{\circ} C\), then the rate of the reaction increases approximately by

Applying the Kirchhoff's rule to the loop (a) ABCA and (b) BCDEB, two correct equations are given

(A) \(8-4 I_2-2\left(I_2+I_3\right)-I_1=0\)
(B) \(4-2\left(I_2+I_3\right)-4\left(I_2+I_3-I_1\right)=0\)
(C) \(4+2\left(I_2-I_3\right)-4\left(I_2+I_3-I_1\right)=0\)
(D) \(8+4 I_2+2\left(I_2-I_3\right)-I_1=0\)
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The following statements are based on the osmotic pressure of solutions. The correct statements are
(A) Molar concentration is same for isotonic solutions
(B) Solutions which have same osmotic pressure at same temperature arecalled isotonic solutions
(C) No osmosis occurs when isotonic solutions are separated by semipermeable membrane
(D) A 1.9% Sodium Chloride solution has equivalent osmotic pressure to that of fluid inside blood cells
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The enzyme which is used to remove nucleotides from the ends of DNA fragment is-

Answer the questions on the basis of passage given below :
As aldehydes ketones possess the carbonyl functional group, they show similar reaction They exhibit nucleophilic addition reactions, reduction, oxidations, reactions due to alpha-Hydrogen atom, and many other reactions, like Cannizzaro reaction to electrophilic substitution reactions (in case of aromatic aldehydes ketones).
These reactions help in the preparation of a number of important compounds, like acetic acid, vinyl acetate, polymers and in perfume and dye industries.
Nucleophilic addition reactions form cyanohydrins, acetals, alcohols and
N-substituted derivatives like imine, oxime, semicarbazone, phenylhydrazone Schiff's base. Reactions due to alpha-hydrogen atoms help in formation of aldols and alpha, beta-unsaturated aldehydes ketones.
Identify the final product of the following reaction :

The hormone releasing IUDs function by-

The inverse of the matrix \(\left[\begin{array}{cc}2 & -1 \\ 1 & 0\end{array}\right]\) is: