Transition Elements MCQs Question and Answer in Engineering Chemistry

A. octahedral

B. tetragonally distorted octahedral

C. trigonal prismatic

D. trigonal anti prismatic

A. Na⁺ and K⁺

B. Zn²⁺ and Mg²⁺

C. Ca²⁺ and Mg²⁺

D. Cu²⁺ and Fe²⁺

A. $$Cr\left( {{H_2}O} \right)_6^{3 + }$$

B. $$Cr{\left( {{H_2}O} \right)_5}C{l^{2 + }}$$

C. $$CrCl_6^{2 - }$$

D. $$Cr{\left( {{H_2}O} \right)_3}C{l_3}$$

A. a mono cation

B. a di cation

C. a mono anion

D. a di anion

A. 0, 0

B. 1, 0

C. 0, 1

D. 1, 1

A. H₂PtCl₆

B. [PtCl₄]^2-

C. [ZnCl₄]^2-

D. [PtCl₃(η²-C₂H₄]^-

A. CT transitions are attributed to excitations of electrons from ligand (σ) to metal (e)

B. Mn$${\text{O}}_4^ - $$ exhibits charge transfer at shortest wavelength among the three

C. The wavelengths of transitions· increase in the order V$${\text{O}}_4^{3 - }$$ < Cr$${\text{O}}_4^{2 - }$$ < Mn$${\text{O}}_4^ - $$

D. The charge on metal nucleus increases in the order V$${\text{O}}_4^{3 - }$$ < Cr$${\text{O}}_4^{2 - }$$ < Mn$${\text{O}}_4^ - $$

A. Fe(CO)₄

B. Ni(CO)₃(PPh₃)

C. Cr(CO)₅

D. Cr(C₅H₅)₂

A. Zn

B. Cu

C. Mn

D. Fe

A. Both involve an inner sphere mechanism

B. Both involve an outer sphere mechanism

C. Reaction 1 follows inner sphere and reaction 2 follows outer sphere mechanism

D. Reaction 1 follows outer sphere and reaction 2 follows inner sphere mechanism