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Ask QuestionPosted by Pritam Sarma 6 years, 8 months ago
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Posted by Mahak Agrawal 6 years, 8 months ago
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Abdul Majid 6 years, 8 months ago
Posted by Hitash Yadav Hitash Yadav 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
For example in benzene molecule we draw pi bonds alternately, C-C and C=C. But all C-C bonds are the same length because the pi bonds are the pi-electrons are actually delocalised over all the 6 carbon atoms. The same is true in 1,3-Pentadiene molecule. But in 1,4-Pentadiene molecule, C=C-C-C=C, their occurs no delocalisation. For delocalisation to take place, -C=C-C=C- type structures are required.
Posted by Preetinder Garcha 6 years, 8 months ago
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Gaurav Seth 6 years, 8 months ago
Iodine reaction with water is a non-spontaneous reaction. Due to the smaller reduction potentials of iodine than oxygen, iodine cannot oxidise water to oxygen because they have smaller reduction potentials than oxygen.
Posted by Ruchita Panwar 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
Preparation of Nylon-2-nylon-6 : It is obtained by condensation polymerisation of the monomers, glycine and amino caproic acid.
They are used as orthopaedic devices, implants, sutures and drug release matrices.
Posted by Imran 618 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm. Common examples of solutions are sugar in water and salt in water solutions, soda water, etc. In a solution, all the components appear as a single phase. There is particle homogeneity i.e. particles are evenly distributed. This is why a whole bottle of soft drink has the same taste throughout.
Solutions have two components, one is solvent and the other is solute.
Solvent: The component that dissolves the other component is called the solvent.
Solute: The component(s) that is/are dissolved in the solvent is/are called solute(s).
Vibhor Sanguri 6 years, 8 months ago
Posted by Nishu Sahu 6 years, 8 months ago
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Posted by Ankit Gupta 6 years, 8 months ago
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Posted by Nikunj Singh 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
A solution is a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm. Common examples of solutions are sugar in water and salt in water solutions, soda water, etc. In a solution, all the components appear as a single phase. There is particle homogeneity i.e. particles are evenly distributed. This is why a whole bottle of soft drink has the same taste throughout.
Solutions have two components, one is solvent and the other is solute.
Solvent: The component that dissolves the other component is called the solvent.
Solute:The component(s) that is/are dissolved in the solvent is/are called solute(s).
Yashvee .Student 6 years, 8 months ago
Posted by [email protected] Naany 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
A Colloid is an intermediate between solution and suspension. It has particles with sizes between 2 to 1000 nanometers. A colloid is easily visible to naked eye. Colloids can be distinguished from solutions using Tyndall effect.
The different types of colloidal solution are:
Aerosols: Solid or liquid mixed with gas; Example: fog (liquid in gas)
Sols: Solid mixed with liquid; Example: Paint
Emulsion: Liquid with liquid; Example: oil and water
Gel: liquid in solid; Example: Fruit jelly
Tripti Rawat 6 years, 8 months ago
Posted by Rahul Yadav 6 years, 8 months ago
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Priya Dharshini ? 6 years, 8 months ago
Nikunj Singh 6 years, 8 months ago
Posted by Vinita Panwar 6 years, 8 months ago
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Deepika Srivastava 6 years, 8 months ago
Posted by Rashi Awana 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
A velocity of an object can be defined as the rate of change of the object’s position with respect to a frame of reference and time, it might sound complicated but velocity is basically speed in a specific direction. It is a vector quantity, which means we need both magnitude (speed) and direction to define velocity. The SI unit of it is meter per second (ms-1) if there is a change in magnitude or the direction in velocity of a body the body is said to be accelerating.
Posted by Nishu Sahu 6 years, 8 months ago
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Gaurav Seth 6 years, 8 months ago
By first adding HBr which makes which makes propane to bromo propane and (markovnikov) and then adding AgNO2
Posted by Dhruv Kuntal 6 years, 8 months ago
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Posted by Prince Kumar 6 years, 8 months ago
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Gaurav Seth 6 years, 8 months ago
According to Dalton's law of partial pressures: ptotal=pX+pY where the partial pressures of each component of the solution is directly proportional to its mole fraction:pX=xX poX So, Two equation can be obtained utilising the above information: 34poX+14poY=550 −−−(i)and45poX+15poY=560 −−−(ii)Multiplying equation (i) by 4 and equation (ii) by 5, we'll get3poX+1poY=2200 −−−(iii)4poX+1poY=2800 −−−(iv)Subtracting (iii) from (iv), we'll getpoX=600 mm HgPuting it in equation (iii), we'll get(3×600)+1poY=2200poY=2200 −1800 =400 mm Hg
Posted by Rinku Bansal 6 years, 8 months ago
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Posted by Deepak Kashyap 6 years, 8 months ago
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Posted by Piya Rwt 6 years, 8 months ago
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Krutika Guru 6 years, 8 months ago
Posted by Mukul Rao 6 years, 8 months ago
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Posted by Vivek Yadav 6 years, 8 months ago
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Posted by Tarun Kodan 6 years, 8 months ago
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Vishwajeet Kumar 6 years, 8 months ago
Posted by Prakriti Rao 6 years, 8 months ago
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Gaurav Seth 6 years, 8 months ago
20% aqueous ethanol solution by volume means 20 ml/ ethanol in 80 ml/ water.
Density of the solution as 0.960 g/cm3 or 0.960 g/ml
Now,
Mass of solution = density x volume
= 0.960 x 100
= 96 g
Mass of 80 ml water = density of water x volume of water
= 1g/ml x 80 ml = 80 g
Mass of ethanol in solution = mass of solution - mass of water
= 96-80 = 16 g
Molar mass of ethanol,(C2H5OH) = 12 x 2 + 5x 1 + 16 + 1
= 46 g
Number of moles of ethanol = 16/46 = 0.348
Molarity = number of moles/volume in litres
= 0.348/0.1
= 3.48 M
Molality = number of moles of solute/ mass of solvent in Kg
= 0.348/0.08
= 4.35 m
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