Which of the following complex ion possesses dsp2 hybridization? - Sri Chaitanya Infinity Learn Best Online Courses for NCERT Solutions, CBSE, ICSE, JEE, NEET, Olympiad and Class 6 to 12

${[Ni (CN)_{4}]}^{2 -} involves {dsp}^{2} - hybridization, whereas$

$[Ni (CO)_{4}], {[{NiCl}_{4}]}^{2 -}, and [Ni {({PF}_{3})}_{4}] involve {sp}^{3} -$ hybridization.

Which of the following complex ion possesses dsp² hybridization?