The least stable hydride of 15th group elements in (a) NH3 (b) PH3 (c) AsH3 (d) SbH3 The least stable hydride of 15th group elements in (a) NH3 (b) PH3 (c) AsH3 (d) SbH3 November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,