Chemistry - Complete P-block Question with Solution | TestHub

ChemistryComplete P-blockp-Block 15,16Easy2 minPYQ_2020

ChemistryEasysingle choice

At $25^{o} C$ , nitrogen exists as $N_{2}$ and phosphorous exists as $P_{4}$ because

Options:

Answer:

Solution:

Due to larger atomic size $P$ is unable to form pi bond and so it is tetra-atomic $(P_{4})$ in which each $P$ atom is linked with $3$ other $P$ atoms by $3$ sigma bonds. But, due to smaller atomic size $N$ forms $1$ sigma and $2$ pi bonds i.e. triple bonds with other $N$ atom and exists as diatomic molecule $(N_{2})$ .

Stream:NTA_ABHYASSubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16

⏱ 2mℹ️ Source: PYQ_2020

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