7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

$(a)$ Number of $S-S$ bonds in $H_2S_nO_6$ are $(n +1)$

$(b)$ When $F_2$ reacts with $H_2O$ it forms $HF,$ $O_2$ & $O_3.$

$(c)$ $XeF_6$ on hydrolysis shows disproportionation reaction

$(d)$ $Al$ metal on reacting with dilute $NaOH$ gives a white precipitate of $Al (OH)_3$ as a final product