Students and Teachers Forum
It is the addition reaction of the benzene. Benzene hardly goes to addition reaction. It is photochemical reaction. It leads to the formation of BHC, Benzenehexachloride. Ph-H + 3Cl2 = C6H6Cl6. (in presence of .....
It is electrophilic substitution reaction of benzene. There are two reaction. 1. Friedel Craft's Alkylation It is reaction between benzene and alkyl halides. It leads to the formation of alkyl substituted benzene. Reaction takes place in .....
CH3COOH -------> CH4 + .....
Through decarboxylation reaction sodium benzoate is heated with soda lime benzene is .....
From the figure it is clear that electron is easily available to donation at ortho and para .....
Due to resonance +ve charge is developed in ortho and position hence deficient for electron donation at this position whereas meta have more .....
C6H6 + conc. H2SO4and HNO3--------> C6H5NO2 + .....
Its the substution reaction of alkyl or acyl group in the presence of alkyl or acyl halide respectively and metal .....
It is an example of electrophilic reaction. It is the reaction between benzene and conc. H2SO4, sulphuric acid. Reaction leads to the formation of Benzene sulphonic acid. Ph-H + conc. H2SO4 = Ph-SO3H + .....
It is electrophilic substitution reaction. Reaction takes place in acidic medium and cold and dark condition. The reaction leads to the formation of halo substituted benzene. Ph-H + X2 = Ph-X + HX Ph-H + Cl2 = Ph-Cl + .....
Huckel's rules is applied for aromatic compound only it says aromatic compound contain 4n+2 pi resonating electron in an cyclic .....
1. Delocalized conjugated pi electron system 2. Alternate single and double bond 3. Coplaner .....
It is addition reaction of benzene. It leads to the formation of BHC, Benzenehexachloride. Ph-H + 3Cl2 = C6H6Cl6 (in presence of .....
An organic reaction where an electrophile i.e electron deficient species attached by displacing original position of .....
This is an example of nitration reaction. Mixture of Conc. H2SO4 and conc. HNO3 acts as nitrating reagent. Nitration of benzene leads to the formation of nitrobenzene. Ph-H + H2SO4 + HNO3 = Ph-NO2 + .....
Benzene can be prepared by reducing benzenediazonium chloride. H3PO2, Hypophosphorous acid is used as reducing agent. Ph-N2Cl + H3PO2 + H2O = Ph-H + H3PO3 + HCl + .....
Simplifying further, we get, (sin55* cos35 - sin35*cos55)/ cos55* cos35 But the numerator is in the form of sin a*cos b - cos a * sinb = sin( a - b) So, the expression simplifies to sin ( 55 - 35) /cos55* cos .....
Metric system is the measurement of mass of any substance in kg, length in meter and time in second. One metric is the measurement where mass is 1 kg, time 1 second and distance 1meter. One meter is defined as the distance between two fine .....
Yes, like the exampe, the matrix with only one column is column .....
Use formula, Total energy = ∑ n P t (Power is in kW and time is in hour) =10 X 0.1X 6 + 2 X 2 X 4 Calculate .....
As we know, moon is very smaler than earth so value of g also less. It is 1/6 of our earth. i.e; g on moon = 1/6* 9.8 m/s^2. Now calculate .....
Inertia is the inability of a body to change its of rest or of unifrom motion. Inertia of a body is directly proportional to the mass. i.e whenever the mass of the body is more, inertia will be high. If the mass of the body is less, inertia will .....
Some ways to disguise profits are: Increasing revenue: e.g. payment receipt upfront for services to be provided over the years increase the current year profit. Increasinf stock value: The stock value is different under different valuation .....
स्याबास । सुन्दर .....
We breathe air. Can you see air when .....
कुनै वस्तुका वेग परिवर्तनको दरलाई प्रवेग (Acceleration) भन्दछन् । यसको मापन एकाइ मीटर प्रति .....
कुनैपनि प्रदार्थको आँफू जुन अवस्थामा छ त्यही अवस्थामा , रहिरहन खोज्ने गुणलाई त्यस पदार्थको .....
The name of our national animal is cow. And The name of our national bird is .....
उच्चारणका क्रममा सास कम प्रवाहित भएर उच्चारण हुने वर्णलाई ह्रस्व भनिन्छ । जस्तै धुपौरो, उमेर, .....
Here,solute = 30.9ngm Solvent = 103-30.9 =72.1 Now, solubility = solute x 100 solvent .....
कृपया कुनै समस्या , जिज्ञासा , प्रश्न तथा सवाल भए सोध्नु होला परन्तु खाली पोष्ट नगरि .....
You can write it as, (45a2)2 + 2* 45a2 * 49x2 + (49x2)2 - 2405a2x2 = (45a2)2 + 2205a2x2 + (49x2)2 - 2405a2x2 = 45a2 ( 45a2 + 49x2 ) - 49x2 ( 49x2 + 45a2) =( .....
Because of altitude. At the lower altitude, density of air is high due to presence of more dust particles and water vapour, So, they absorb more heat of the sun. But the density of air decreases with the increase in altitude. 10 deg celcius .....
Here we have given, two equations, ab=18.....................(1) and, a+b=11 or,b=11-a.........................(2) Put the value of a from eqn (2) .in eqn (1) .....
यस कवितामा कविले फलफुललाई भाइ भनेका छन् .....
अनुच्छेद एक वा दुईमा लेखिएका कुराहरुको विस्तारपूर्ण चर्चा र विश्लेषण गर्ने, तर्कहरु,तिनलाई .....
Answer: A shadow is a dark area where light from a light source is blocked by an opaque object. Explanation: Observe the figure carefully. What did you see? You can see the shadow of that table. Here, the table blocks the light source to pass .....
A) In polynomial, degree of polynomial is the higest power of the variables. Here, higest power is 4 . so degree is .....
In the question, Hypotenuse of the triangle = 26 cm and Perimeter of the triangle = 60 cm. Represent the two unknown sides of the triangle by x and y. Then, Perimeter = hypotenuse + x + y Substitute the respective values and find the .....
The full form of e-mail is electronic .....
We add www in a link to enter certain website in internet. The full form of www is world wide .....
First fastest fish is Sailfish Able to do 68mph Second fastest fish is Marlin Able to do 50mph Third fastest is the Mako Shark Able to do .....
A nation is a group of people, existing in the form of an organized jural society. A nation inhabits a distinct portion of the earth, speaking the same language, using the same customs, possessing historic continuity. A nation is a territory where .....
There are 308 articles in the constitution of .....
In your book, You may have read the good things Aryan did. Can you tell me what they .....
प्रश्न प्रष्ट भएन .....
Here, you have to calculate the value of x, So use the appropiate geometrical condition, find it. Here, add all the given angles and equate with 180, because sum of angles in stright line is .....
You can calculate the value of <AOC from tr.OAC. Then, find the value of ref.<AOC. Finally, x=1/2 of ref.<AOC. Can you write the .....