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General principles for naming organic compounds
In the general system, all the isomeric alkanes (having similar molecular formula) have the the same parent name. The names of various isomers are divided by prefixes. The prefix depicts the kind of branching in the particle.
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Role of organic solvents in atomisation: The organic solvents of low molar mass like alcohols, ethers, and ketones enhance the absorption peaks by increasing rate of aspiratio
Electronic configuration of ferric ion is: (1) [Ar] 3d 5 (2) [Ar] 3d 7 (3) [Ar] 3d 3 (4) [Ar] 3d 8 Ans: [Ar] 3d 5
what is the silver salt
why f block is out from periodic table
Isoelectronic species are: (1) K + Cl - (2) Na + Cl - (3) Na Ar (4) Na + Ar Ans: K + Cl -
Define the following observations: (i) Most of the known noble gas compounds are those of xenon. (ii) CIF3 exists but FCI 3 does not. (iii) Between the hydrides of elemen
The positive charge of an atom is: (1) Spread all over the atom (2) Distributed around the nucleus (3)Concentrated at the nucleus (4) All of these Ans: Concentr
The covalency of nitrogen in HNO 3 is: (1) 0 (2) 3 (3) 4 (4) 5 Ans: 5
diagonal relationship between beryllium and aluminum
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