$\mathrm{R}-\mathrm{C}\equiv \mathrm{N} \stackrel{{\mathrm{SnCl}}_2+\mathrm{HCl}}{\to }\mathrm{X}\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }\mathrm{Y};$ Incorrect statement about the process is

Same product can be obtained if DiBAL-H is used instead of Stannous chloride and hydrochloric acid

Y is an aldehyde

X is a ketimine

The reaction is Stephen's reaction