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Why pentahallides are more covalent than …

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Why pentahallides are more covalent than trihallides? & Why BiH3 the strongest reducing agent?

Posted by Varsha Chowdhury 6 years, 10 months ago

CBSE > Class 12 > Chemistry

5 answers

Sonal Sonal 6 years, 10 months ago

Pentahallide are more covalent because of 5 oxidation no. And BiH3 strogest reducing agent besause due to large size of Bi it formed a weak bond with hydrogen and get easily reduce the hydrone

Pragya Gupta 6 years, 10 months ago

Like pcl5 form pcl4 &pcl6 ability to form sharing of electron is covalant whereas pcl3 cnt

Harshvardhan Srivastava 6 years, 10 months ago

Penta halide are more covalent than tri halides because of +5 oxidation state and high polarisability.

Kartheek Chowdary Vattkuti 6 years, 10 months ago

According to fajan's rule: cations with high positive charge and with small size will have higher attractions of shared pair which increases the pull on shared pair and thus produces the large covelent character.

Kartheek Chowdary Vattkuti 6 years, 10 months ago

Due to small size of cation of pentahalides and large size of halide ions s

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