haloalkane
how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
Briefly state the wavelengths which the human eye can see?
Describe briefly the procedure to judge that the given organic compound is pure or not?
Give me answer of this question. Which of the following is not a colligative property : (a)Optical activity (b)Elevation in boiling point (c)Osmotic pressure (d)Lowering of vapour pressure
Choose the right answer from following. If two substances A and B have P0A P0B= 1:2 and have mole fraction in solution 1 : 2 then mole fraction of A in vapours: (a) 0.33 (b) 0.25 (c) 0.52 (d) 0.2
Ethers are the compounds with general formula or CnH2n+
Give me answer of this question. The vapour pressure of water at 20degreeC is 17.54 mm. When 20g of a non-ionic, substance is dissolved in 100g of water, the vapour pressure is lowered by 0.30 mm. What is the molecular weight of the substances: (a) 210.2 (b) 206.88
During processing of food, several chemicals are added to it to augment its shelf life and to make it more attractive as well. Main types of food addi
Can someone please help me in getting through this problem. Which of the given concentration factor is affected by the change in temperature: (1) Molarity (2) Molality (3) Mole fraction (4) Weight fraction
Why do various medications include the hcl? Describe briefly?
Write a short note on the formula of diesel, petrol and also CNG?
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