An element (X) which is the most abundant metal in the earth's crustand the third most abudant element, is extracted by the electrolysis of its fused oxide in melted cryolite and fluorspar. XCl_(3) exists as (XCl_(3))_(n) in crystalline state and is only dimeric (X_(2)Cl_(6)) in fused state X+3HCl+6H_(2)O to XCl_(3).6H_(2)O(s)+(3)/(2)H_(2) Anhydrous XCl_(3) fumes in moist air and is very hygroscopic Consider of the following is correct? Which of the following is correct?

An element (X) which is the most abundant metal in the earth's crustan

1.	An element (X) which is the most abundant metal in the earth's crustand the third most abudant element, is extracted by the electrolysis of its fused oxide in melted cryolite and fluorspar. XCl_(3) exists as (XCl_(3))_(n) in crystalline state and is only dimeric (X_(2)Cl_(6)) in fused state X+3HCl+6H_(2)O to XCl_(3).6H_(2)O(s)+(3)/(2)H_(2) Anhydrous XCl_(3) fumes in moist air and is very hygroscopic Consider of the following is correct? Which of the following is correct?
Answer» `alpha gt BETA and b gt a` `beta gt alpha and b LT a` `alpha gt beta and a gt b` `alpha lt beta and b lt a` ANSWER :A