....,...is not ferroelectric compoundRochelle saltK4[Fe(CN)6]BaTiO3KH2

1.	....,...is not ferroelectric compoundRochelle saltK4[Fe(CN)6]BaTiO3KH2PO4
Answer» It is a spontaneous electric POLARIZATION of a material that can be reversed by the application of an external electric field. Hence the ANSWER is..... K₄[FE(CN)₆]

....,...is not ferroelectric compoundRochelle saltK4[Fe(CN)6]BaTiO3KH2PO4

Answer»

It is a spontaneous electric POLARIZATION of a material that can be reversed by the application of an external electric field.

Hence the ANSWER is..... K₄[FE(CN)₆]