Which hydride is formed by a group 15 element?
Group 15 elements (N, P, As, etc.) form hydrides like NH₃. CH₄ (group 14), H₂O (group 16), and HCl (group 17) are from other groups.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Modern Periodic Law and Present Form - Long Form Periodic Table