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Classification of dyes according to their application
Direct dyes:
this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueous solution of the dye. This type of dyes is most significant for those fabrics that can form hydrogen bonds, that is for rayon, wool, silk, cotton and nylon. Congo and Martius yellow red work as direct dyes. Instances are: Martius yellow, congo red.
Position isomerism: It is due to the difference in the position of the substituent atom or group or an unsaturated linkage in similar carbon chain. A. Carboxylic, aldehydes
Br2(g)=2Br(g) dG=161.69KJ/mol at 298.15K Find kc and kp.
The oxygen of the hydronium ion The oxygen of the hydronium ion has approximately tetrahedral geometry and is therefore sp 3- hybridized. Two of the sp 3 hybrid orbitals conta
Crude oil is separated into several fractions, each of these fractions are composed of many undefined hydrocarbon components. For simplicity, the crude oil is assumed to be a mixtu
Q. Define about Crystal Field Theory? This theory is based on two main assumptions. First, all the ligands are considered as point (negative) charges. It means that the size an
Explain construction & working of calomel electrode.
what is the mechanism of acyl chloride reaction with alcohol and why does it react in this way ?
Why agar agar is called as an inert electrolyte?
Pick out the isoelectronic structures from the following : CH + 3 , H 3 O + NH 3 CH - 3 I
How i operate muffle furnace
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