Directive effect in mono substituted benzene derivatives, Directive effect ...

Directive effect in mono substituted benzene derivatives: The substituent previously present on the benzene ring directs the incoming substituent to inhabit ortho (2 or 6), met

Explain dalton’s atomic theory, Q. Explain Dalton’s atomic theory? The ...

Q. Explain Dalton’s atomic theory? The atomic theory In 1808 John Dalton projected a theory to explain the laws of conservation of matter definite proportions and multiple prop

Formation of nacl from na and cl, In the formation of  Nacl from Na  and...

In the formation of  Nacl from Na  and  cl: (1) Sodium and chlorine both give electrons (2) Sodium and chlorine both accept electrons (3) Sodium loses electron and chlori

Uses of BHC,

Explain microbiological changes of food deterioration, Microbiological chan...

Microbiological changes Microbes have the ability to multiply at  high rates when favourable conditions are present. Prior to harvest, fruits and vegetables have generally goo

Quantitative chemistry, A student wishes to prepare 250ml of a 0.20mol/L so...

A student wishes to prepare 250ml of a 0.20mol/L solution of oxalic acid (COOH)2.2H2O. a) Calculate the amount (no.of moles) of oxalic acid required. b) Calculate the mass of oxali

Selecting and numbering the principal chain, Selecting and Numbering the ...

Selecting and Numbering the principal chain Selecting the principal chain : choose the longest continuous chain of carbon atoms consisting of the principal functional

High ionisation energy, High ionisation energy: The high ionisation en...

High ionisation energy: The high ionisation energy of helium (24.6 eV) makes it a potential gas to be used in plasma source. The nitrogen gas is generally not used as a pla

Trends in alkali metals, what is the order of solubility of alkali metal hy...

what is the order of solubility of alkali metal hydrides and halides

Calculate the initial rate of polymerisation, (a) Given the values below, c...

(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer