Question

1.Read the passage answer the following questions:-
Sidwick and Powell in 1940 proposed a theory based on the repulsive interactions of electron pairs in
valence shell.
The main postulates of this theory are as follows:-
a)The number of valence shell electron pairs around the central atom decides the shape of the
molecules. The shared electron pairs are called bond pairs and unshared electron pair are called lone
pairs.
b)Electron pairs of valence shell repel one another because there electro clouds are negatively
charged
c)These electron pairs are arranged in such a way that there is minimum repulsion and maximum
distance in between them.​

Answer 1

Answer:

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