Q.Which of the following acts is NOT within a partner's implied authority under Section 19(2), unless he is expressly authorised to do it?
(A) Purchasing goods of the kind usually dealt in by the firm, in the ordinary course of its business
(B) Selling goods of the kind the firm ordinarily trades in
(C) Acquiring immovable property on behalf of the firm
(D) Receiving payment of debts due to the firm in the ordinary course of business

Section 19(2) carves out a specific, limited list of acts that fall outside implied authority — acquiring immovable property for the firm is one of them.

Why (C) is correct (i.e., outside implied authority): Section 19(2) expressly excludes acquiring or transferring immovable property belonging to the firm from a partner's implied authority, unless he is specifically and expressly authorised to do so. …

Students sometimes assume ANY transaction 'for the firm's benefit' is within implied authority. The Act draws a specific, narrower line — acts of the SPECIFIC, unusual kind listed in Section 19(2) (arbitration, opening a bank account in the partner's own name, compromising claims, dealing …