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Why do the hydrides of O and F in group 16 and 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Expl
Nucleus - Nomenclature of simple aromatic compounds The benzene ring denoted by regular hexagon of six carbon atoms along with three double bonds in the alternate positions is
Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
Although cholrine is electoon withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Ans) Halogens are an exception of the dea
Q. What do you know about Radioactive Dating? Ans. Half-life measurements of radioactive elements in rocks and fossils can be used to determine the age of the specimen. On
calomel construction and working
How are p-type and n-type semiconductor obtained? A P-type semiconductor is attained by carrying out a process of doping which is adding a certain type of atoms to the semicon
physical properties
how many isomers does butane have
Number of neutrons in heavy hydrogen atom is: (1) 0 (2) 1 (3) 2 (4) 3 Ans: 1
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