Which one of the following statements is correct for a first order reaction?

The increasing order of magnetic behaviour for the following complexes is
A. \([Ti(H_2O)_6]^{3+}\)
B. \([V(H_2O)_6]^{3+}\)
C. \([MnCl_4]^{2-}\)
D. \([MnF_6]^{3-}\)
E. \([Cr(H_2O)_6]^{3+}\)
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Arrange the following alkyl halides in increasing order of reactivity towards SN2 reaction :
(A) 1-Bromobutane
(B) 1-Bromo-2,2-dimethylpropane
(C) 1-Bromo-2-methylbutane
(D) 1-Bromo-3-methylbutane
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Standard reduction potentials (\(\text{E}^{\circ}\)) of \(\text{Pb}^{2+}, \text{Ag}^+, \text{Cu}^{2+}\) and \(\text{Fe}^{2+}\) are \(-0.13 \text{ V}, +0.80 \text{ V}, +0.31 \text{ V},\) and \(-0.44 \text{ V}\) respectively. Which is the strongest reducing agent?

Match List - I with List - II

List - I (Cell Type)	List - II (Characteristic/Reaction)
A. Fuel Cell	I. Rechargeable
B. Mercury Cell	II. Reaction at anode, \(\text{Zn} \rightarrow \text{Zn}^{2+} + 2\text{e}^{-}\)
C. Leclanche Cell	III. Cell reaction \(2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O}\)
D. Ni-Cd Cell	IV. Gives steady potential

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The shape of \(XeF_6\) is :

For first order decomposition of \(N _2 O _5\) at constant volume, \(p_i\) is initial pressure
and \(p_t\) is pressure at any time \(t\) during the reaction.
Which of the following statement/s is incorrect?
(A) Half life does not depend on initial pressure
(B) Total pressure decreases with time
(C) Rate constant will be the same if initial pressure is doubled
(D) \(k=\frac{2.303}{t} \log \left(\frac{p_t}{p_i}\right)\)
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Which of the following pair of nuclides are Isobars?

Match List-l with List-II

List-I	List-II
(A) Kolbe's reaction	(I) Preparation of symmetrical and unsymmetrical ethers
(B) Williamson synthesis	(II) Preparation of Salicylic acid
(C) Lucas test	(III) Organo-Magnesium halide
(D) Grignard's reagent	(IV) Distinction between different types of alcohols

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Read the passage carefully and answer the questions
The coordination compounds are of great importance. These compounds are widely present in the mineral, plants and animal world and are known to play many important functions in the area of analytical chemistry, metallurgy, biological systems, industry and medicine. For example, coordination compounds find use in many qualitative and quantitative chemical analysis. Some important metal extraction and purification make use of complex formation. Hardness of water can be estimated by stable complex formation of Ca\(^{2+}\) and Mg\(^{2+}\)
Wilkinson catalyst used for hydrogenation of alkenes is a complex of ___________.

The feasible region for the constraints \(x \geq 0, x+y \leq 1\) and \(x-y \leq 1\), is situated in:
(A) I and II Quadrant
(B) I Quadrant
(C) II and IV Quadrant
(D) IV Quadrant
(E) I, II, III and IV Quadrant
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If \(\left|\begin{array}{ccc}-a^2 & a b & a c \\ b a & -b^2 & b c \\ a c & b c & -c^2\end{array}\right|=k \cdot a^l b^m c^n\), then
Match List-I with List-II

List-I	List-II
(A) \(l=m=n=\)	(I) 10
(B) \(k+l+m+n=\)	(II) 6
(C) \(k^2+l^2+(m-n)^2\)	(III) 2
(D) \(l^2+m^2+(n-k)=\)	(IV) 20

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Amniocentesis is legally used to determine---
(A) Sex of the foetus
(B) Presence of genetic disorders
(C) Massive child immunization.
(D) Survivability of the fetus
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