Q.
Atomic radius of Chlorine and Copper are 99pm and 128pm respectively. Identify correct statement from the following
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a
Covalent radius of chlorine and copper are 99pm and 128pm respectively
b
Covalent radius of chlorine is 99pm whereas covalent radius of copper is lesser than 128pm
c
Covalent radius of chlorine is 99pm and metallic radius of copper is lesser than 128pm
d
Covalent radius of chlorine is lesser than 99pm and covalent radius of copper is lesser than 128pm
answer is B.
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Detailed Solution
1) Chlorine is a non-metal; for a non-metal, atomic radius = covalent radius =99pm;2) Copper is a metal; for a metal, atomic radius -metallic radius =128pm;covalent radius of metals will be lesser than their metallic radius;covalent radius of copper will be lesser than 128pm;
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