Which of the following compounds has a non-zero dipole moment?

A compound's polarity is determined by the existence or absence of a net dipole moment. In turn, the net dipole moment is determined by-
Dipole moments in certain bonds
• The component atoms' various electronegativities
• Compound geometry and symmetry
The As-H bond is the sole kind of bond found in AsH3. According to Linus Pauling's first scale of electronegativity, As and H have electronegativities of 2.18 and 2.20, respectively.
Since there is an electronegativity difference of 0.02, the bond is polar and covalent.
AsH3 has one lone pair in addition to three polar bonds, which changes the geometry. The resulting trigonal pyramidal form does not result in a cancellation of the dipole moment vectors.