For the reactions \(5 Br ^{-}(a q)+ BrO _3^{-}(a q)+6 H ^{+}(a q) \rightarrow 3 Br _2(a q)+3 H _2 O (l)\) The rate of the reaction is :

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The number of reacting species (atoms, ions or molecules) taking part in an elementary reaction, which must collide simultaneously in order to bring about a chemical reaction is called molecularity of a reaction. In the rate equation Rate \(=k[\mathrm{~A}]^x[\mathrm{~B}]^y\)
\(x\) and \(y\) indicate how sensitive the rate is to the change in concentration of \(A\) and \(B\), respectively. Sum of these exponents, i.e., \(x +y\) gives the overall order of a reaction where \(x\) and \(y\) represent the order with respect to the reactants A and B respectively. Hence, the sum of powers of the concentration of the reactants in the rate law expression is called the order of that chemical reaction. For a first order reaction, the concentration of the reactant varies as \([\mathrm{R}]=[\mathrm{R}]_0 e^{-k t}\)
The initial concentration of \(\mathrm{N}_2 \mathrm{O}_5\) in the following first order reaction
\(\mathrm{N}_2 \mathrm{O}_5(g) \rightarrow 2 \mathrm{NO}_2(g)+1 / 2 \mathrm{O}_2(g)\)

When chlorine gas is passed through a hot solution of NaOH, a disproportionation reaction occurs. The zero oxidation state of chlorine changes to:
(A) 0 to +5
(B) 0 to -1
(C) 0 to +3
(D) 0 to +1
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In alcohols, C-O-H bond angle is

The correct increasing order of reactivity of alkyl halides with \(CH _3 NH _2\) is
(A) \(C _2 H _5- Br\)
(B) \(C _2 H _5- I\)
(C) \(C _2 H _5- F\)
(D) \(C _2 H _5- Cl\)
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In the formation of coordination complexes, if the inner \(d\) orbital \((n-1) d\) is used in hybridisation, the complex, is called an inner orbital or low spin or spin paired complex. And if it uses outer \(d\) orbital ( \(n d\) ) in hybridisation (like \(s p^3 d^2\) ), it is called outer orbital or high spin or spin free complex. The degeneracy of the \(d\) orbitals has been removed due to ligand electron-metal electron repulsions in the complex. This splitting of the degenerate levels due to the presence of ligands in a definite geometry is termed as crystal field splitting. For coordination complexes, the magnetic moment is determined by the number of unpaired electrons and is calculated by using the 'spin-only' formula, \(\mu=\sqrt{n(n+2)}\) where \(n\) is the number of unpaired electrons and \(\mu\) is the magnetic moment in units of Bohr magneton (BM). The coordination compounds are of great importance. These compounds are widely present in the mineral, plant and animal worlds and are known to play many important functions in the area of analytical chemistry, metallurgy, biological systems, industry and medicine.
Which of the following complex has the highest magnetic moment?

Match List - I with List - II.

List - I (Vitamins)	List - II (Disease)
(A) Vitamin-B1	(I) Scurvy
(B) Vitamin-A	(II) Malaria
(C) Vitamin-C	(III) Xerophthalmia
(D) Vitamin-D	(IV) Beri Beri

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Which of the following characteristics of electron determines the current in a conductor?

Study the following figure and answer the questions:

Charging of tRNA is also known as

Masses of three wires of copper are in the ratio of \(1: 3: 5\) and their lengths are in the ratio of 5:31. The ratio of their electrical resistance are:

A system has two charges, \( q_A = 5 \times 10^{-7} \, \text{C} \) and \( q_B = -5 \times 10^{-7} \, \text{C} \), located at points \( A : (0, 0, -10 \, \text{cm}) \) and \( B : (0, 0, +10 \, \text{cm}) \), respectively. Which of the following are true?
(A) The electric field of dipole at point (0, 0, -15 cm) is \( 1.73 \times 10^6 \, \text{NC}^{-1} \)
(B) Electric field intensity is zero at origin (0, 0, 0)
(C) dipole moment \( (p) = 5 \times 10^{-8} \, \text{C-m} \)
(D) direction of the dipole moment is along the negative z- axis
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The base of transistor is:

Match the different types of Electro Magnetic Waves and their detections

List-I (EM Waves)	List-II (Detection)
A. Light	I. Receiver's arial
B. Infra red	II. Point contact diodes
C. Radiowave	III. Photocells
D. Microwave	IV. Thermopiles

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