JEE Main 2022 (30 Jun, Shift 1) Chemistry Q70: Group 15 & 16

Question

$\mathrm{A}\xrightarrow{573\ \mathrm{K}}$ Red phosphorus $\xrightarrow[	ext{under pressure}]{	ext{heat ; 803 K}} \mathrm{B}$
Red phosphorus is obtained by heating "A" at 573 K, and can be converted to "B" by heating at 803 K under pressure.
A and B, respectively, are

Accepted Answer

Option 4: white phosphorus and $\alpha$-black phosphorus.

Answer

$\beta$-black phosphorus and white phosphorus.

Answer

white phosphorus and $\beta$-black phosphorus.

Answer

$\alpha$-black phosphorus and white phosphorus.

Answer

white phosphorus and $\alpha$-black phosphorus.

JEE Main 30 June 2022, Shift 1, Chemistry Q70

Same idea in other shifts