Explanation
Fromation of chlorine nitrate is the main cause of ozone depletion
Sulphur -
(1) monoclinic (2) Rhombic (3) Plastic
HF > HCl > HBr > HI thermal stability
Carnellite is KCl. Mg Cl2.6H2O. The mother liquor remain after crystallisation of KCl from carnellite contains about 0.25% of Bromine as MgBr2 or KBr.
HF is weakest acid. Since it is on able to give H+ ions which are trapped in H– Bonding.
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