Select the correct statement from the following.

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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

Pentahalides of elements of 15th group are more covalent than trihalides

only N-atom binary compound with metals in -3 oxidation state

Most of the compounds of nitrogen only among all compounds of elements of group 15 are suffocating and Poisonous

All of the above are correct

answer is A.

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Detailed Solution

In higher +ve oxidation state an atom has higher polarising power(more covalent) than its lower +ve oxidation state.

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