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2-bromo propane is treated with alc. KOH, it forms propene which on further reaction with hydrogen bromide in presence of peroxide forms 1-bromo propane.

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Here,          Frequency of the plane EM wave, v = 2 × 1010HzAmplitude of&#

[Fe(CN)6]4− In the above coordination complex, iron exists in the +II oxidation state. Fe2+. Electronic configuration of Fe2+is 4s0 3d6.As CN− is a strong field ligand, it causes the pairing of the unpaired 3d electrons.Since there are six ligands around the central metal ion, the most feasible hybridization is d2sp3. d2sp3 hybridized orbitals of Fe2+ . 6 electron pairs from CN− ions occupy the six hybrid d2sp3orbitals. Then,Since CN- is strong field ligand it cause pairing. hence it is diamagnetic.In this complex, the oxidation state of Fe is +3. eletronic configuration is 4s0 3d5. There are

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∠FOB + ∠BOE = 180° ...(1)| Linear Pair Axiom∠FOA + ∠AOE = 180° ...(2)| Linear Pair AxiomFrom (1) and (2),∠FOB + ∠BOE = ∠FOA + ∠AOE ...(3)But    ∠BOE = ∠AOE| ∵ Ray OE bisects ∠AOB∴ From (3),⇒    ∠FOB = ∠FOA.

John Keats is a poet of nature. He sees beauty in all the natural objects since a thing of beauty is a joy for ever. According to him every thing of nature is a source of beauty. In the poem we can see, the sun, the moon, the trees, daffodils, green forests, clear rills, masses of ferns, blooming musk-rose and lovely tales, etc. These beautiful sources provide pleasure and joy to the mankind.

Given,Number density of electrons, n = 8.5 x 1028 m–3  Current carried by the wire, I = 3.0 AArea of cross-section of the wire, A = 2.0 x 10–6 m2Length of the wire, l = 3.0 mCharge on electron, e = 1.6 x 10–19 C Using the formula for Drift velocity  νd = IneA= 38.5 × 1028 × 1.6 × 10-19 × 2.0 × 10-6m s-1= 1.103 × 10-4 m s-1 Therefore,Time taken by an electron to drift from one end to another end is,t =lνd   = 3.01.103 × 10-4 s = 2.72 × 104s  (≈ 7.5 h).

Structural isomers of C5H11Br are:i) CH3CH2CH2CH2CH2Br =1-Bromopentane (1°)ii)CH3CH2CH2CH(Br)CH3 =2-Bromopentane (2°)iii)CH3CH2CH(Br)CH2CH3 =3-Bromopentane (2°)iv)(CH3)2CHCH2CH2Br=1-Bromo-3-methylbutane(1°)v) (CH3)2CHCHBrCH3 =2-Bromo-3-methyl butane (2°)vi) (CH3)2CBrCH2CH3 =2-Bromo-2-methyl butane (3°)vii) CH3CH2CH(CH3)CH2Br= 1-Bromo-2-methyl butane (1°)viii) (CH3)3CCH2Br =1-Bromo-2, 2-dimethyl propane (1°)
 

One-dimensional elastic collision is the collision in which the colliding bodies continue to move along the same straight line after collision.Consider two bodies A and B of masses m1 and m2 moving along the same straight line with velocities u1 and u2 respectively.
Let the two bodies collide elastically and let and v2 be the velocities of two bodies after collision. Since collision is elastic collision, therefore, their momentum and kinetic energy remain conserved.By conservation of momentum,                or                                    ...(1)By conservation of kinetic energy       

Pressure of gas is equal to the rate of change of momentum of molecules striking per unit area. According to kinetic theory of gases, r.m.s. speed of molecules is directly proportional to the square root of temperature. Therefore, with the increase in temperature, the r.m.s speed increases, hence increase in the change in momentum. With increase in temperature, collision frequency also increases.Therefore, both the factors increase the rate of change of momentum and hence pressure increases with the increase in temperature.

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સમઘનનું કદ V = x3  તથા સમઘનનું પૃષ્ઠફળ S = 6x2.જ્યાં, x સમઘનની ધારની લંબાઈ છે.અહીં, સમઘનનું પૃષ્ઠફળ 12 સેમી2 / સેના દરે વધે છે.  ( ધારની લંબાઈ x = 5 સેમી છે.) ............(1)હવે, V = x3              ( (1) પરથી )              ( ધારની લંબાઈ x = 5 સેમી છે.)                        સેમી3 / સે

Yes, Bruno was a loving and playful pet. Everybody in the family was attached to him, especially the narrator s wife. However, he had to be sent away to a zoo because he was getting too big to be kept at home.

माना ABC एक समकोण त्रिभुज है जिसमें ∠B = 90°सिद्ध करना:कर्ण2 = लंबाई2 + आधार2AC2 = AB2 +BC2अब B से एक लम्ब बनाइए जो BD ⊥ ACअब त्रिभुज ADB और ABC में,∠ADB = ∠ABC ( ∠D = ∠B = 90°)और ∠A = ∠A ( दोनों में सामान पक्ष है)△ADB ~ △ ABC

Rate constant of the chemical reaction increase with the raise of temperature. It is observed that the rate constant of a reaction is nearly doubled when the temperature increased by 10°C. 

While 2,4,6-trinitrophenol, benzoic acid and benzene sulphonic acid are soluble in NaHCO3.This reaction is possible in the forward direction if acid is more acidic than H2CO3.o-nitrophenol is less acidic than H2CO3.Hence, it is not soluble in sodium hydrogen carbonate.