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Q. Describe about states of matter? Under usual conditions matter exists in three different physical forms called the states of matter -solid or liquid or gas. Solid matter
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in a reaction. All molecules or ions with a free pair of electrons or a
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
#between p-amino aniline &p-methyl aniline which is more basic?
surface tension assingnment with diagram
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
An analysis of the state of the Brazilian chemical industry in 1998 revealed that the actually used technologies were transferred in a period where industrial waste generation, tre
Explain thiols Because of the element effect, both thiols (the compounds with -SH groups) are more acidic than ethanol (CH 3 CH 2 OH). The compound ClCH 2 CH 2 SH is the more
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
which factor on electron affinity depend?
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