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The color in KMnO4 arises from an electronic transition, but it is actually not a d-d ... When the light is reflected (or transmitted) it is missing the frequencies of the light absorbed, and so it looks pink.
characteristics of irreversible reaction
what is allotropy
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
The equilibrium constant Kp=4 at 1993K for the reaction H2+CO2->H2O+CO. INitially H2 and CO2 having 0.8 moles were injected in 5l flask. Find equilibrium concentration of CO2.
If the velocity of hydrogen molecule is5*10^4 cm/sec tjen its de broglie wavelength is
Two or more different types of monomers joined together to form giant molecule is called coopolymerisation. ex--- nylon6,6 --it is a combination of hexamethylenediamine and a
Nucleophilic aromatic substitution is possible, but involves substitution of a typical leaving group rather than a hydrogen atom. Remembering that S N 2 and S N 1 mechanisms are no
explain colloidal in a huge way with example and diagram
how to find the structure of Mn2(CO)10
Hydrocaborns
Mostly compounds of d block elements exibitcolour dueto d-d transistions between partially filled eg and t2gbut the reason for colour of KmnO4 and K2Cr2O7 is due to partial chanrge transfer between central atom and oxygen which causes colour
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