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Electronic configuration of Sc 21 is: (1) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 2 , 3d 1 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 , 4s 1 , 3d 2 (3)1
Given that ?H°298 for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
Q. What are natural or synthetic food colours? Food in raw state has a natural colour, which is associated with the characteristics of that food. In the processing, preservatio
Reduction of Alkyne: Alkynes add on hydrogen in existence of appropriate catalysts like finely divided Ni, Pd. Determine if the triple bond is not found at the end of t
Q. Complexation Behaviour of the f-block? Ions of actinide and lanthanide elements have a strong tendency to form complexes with a variety of oxygen and nitrogen donor ligands.
Covalent compounds are generally ...... in water: (1) Soluble (2) Insoluble (3) Dissociated (4) Hydrolysed Ans:
Laboratory safety During your observation of chemistry you will conduct experiments in the laboratory. When working in the lab you are accountable for the safety of yourself and o
Sharp line source: When the bandwidth of the primary radiation is low with respect to the profile of the analyte absorption, the given amount of analyte would absorb more radi
what is symetrycal tribromo benzene
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