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Consider the following elements with the...

Consider the following elements with their period number and valence electrons.
`{:("Elements","Period number","Total valence"e^(-)),(P,2,4),(Q,2,6),(R,3,7),(S,3,3),(T,3,6),(U,3,4):}`
According to the given informations, answer the following questions :
Choose the incorrect statement :

A

R exhibits maximum covalency among all elements given

B

Q does not exhibit variable covalency

C

R exhibits minimum covalency among all elements given

D

R and S combine each other and form `SR_(5)` type of compound

Text Solution

Verified by Experts

The correct Answer is:
D
`{:("Code element", "Actual element"),(P,C),(Q,O),(R,Cl),(S,Al),(T,S),(U,Si):}`
exhibits only covalency =2,
minimum covalency =1,
maximum covalency=7
R and S will combine as `SR_(3)` not as `SR_(5)`
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