Question

Consider the following statements and arrange in the order of true/ false as given in the codes.
$S_1:(HP{O}_3{)}_n$ can be prepared by heating phosphorus acid and bromine in a sealed tube.
$S_2$: Dry iodine reacts with ozone and forms a yellow solid, $I_4{O}_9$.
$S_3$: $\beta -$sulphur is stable below 369 K.

• A. F T F
• B. T T F
• C. T T T
• D. T F F

Answer 1

Answer: (B)

T T F

$S_1$: Metaphosphoric acid is prepared by heating phosphorus acid and $B{r}_2$ in a sealed tube.
$S_2$: $I_2+O_3\to I_4{O}_9$
$S_3:\beta -$sulphur is stable above $369K$.