The chancery court shall have full jurisdiction in the following matters and cases, viz:
(a) All matters in equity.
(b) Divorce and alimony.
(c) Matters testamentary and of administration.
(d) Minor's business.
(e) Cases of idiocy, lunacy and persons of unsound mind.
(f) All cases of which the said court had jurisdiction under the laws in force when this constitution is put in operation.