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The radius of electron in the first excited state of hydrogen atom is: (1) a 0 (2) 4a 0 (3) 2a 0 (4) 8a o
Properties of Bi-phenyl - Hydrocarbon Bi-phenyl is a colourless solid, melting point 71°C. It goes through usual electrophilic replacement reactions. As aryl set are electron w
Measure the thermodynamic properties (reaction enthalpy, entropy, and Gibbs energy) for this reaction under standard conditions. Is the reaction exothermic or endothermic? Is i
Liquid phase cracking - Hydrocarbon In that type of cracking, the residual oil or heavy oil is cracked at a high temperature that is from 475 to 530 o C under high pressure fro
Why does NO2 dimerise? a) Give an example of linkage isomerism. b) A solution of KOH hydrolyses CH3CH2CH2CH2Cl and CH3CH2CH2Cl. Which one of these is more easily hydrolysed?
How to find stability of carbocations in benzene ring..??? How to find optically inactive isomers ??? (say of--C2H5Cl) How to find the weakest C-X (carbon-halogen bond in a benz
For the n= 2 energy level, how many orbitals of all kinds are possible: (1) 2 (2) 3 (3) 4 (4) 5 Ans: 4
Question: (i) Differentiate between ionic, metallic, covalent and dipole-dipole bonds. Provide examples in each case. (ii) With regard to electronic con?guration, what do a
Q. What is compound? A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they a
amphoterism of methanol Compound A is much more basic than compound B (charge effect). By the element effect, C is much more basic than A; this follows from the fact that if we
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