Choose the correct option having all the elements with d ^ 10 ele… - Vidyadip

MCQ

Choose the correct option having all the elements with $d ^{10}$ electronic configuration from the following:

A
${ }^{27} Co ,{ }^{28} Ni ,{ }^{26} Fe ,{ }^{24} Cr$
B
${ }^{29} Cu ,{ }^{30} Zn ,{ }^{48} Cd ,{ }^{47} Ag$
C
${ }^{46} Pd ,{ }^{28} Ni ,{ }^{26} Fe ,{ }^{24} Cr$
D
${ }^{28} Ni ^{24} Cr ,{ }^{26} Fe ,{ }^{29} Cu$

✓

Answer

$(B)\ {[ Cr ]=[ Ar ] 4 s^1 3 d^5}$
${[ Cd ]=[ Kr ] 5 s^2 4 d^{10}}$
${[ Cu ]=[ Ar ] 4 s^1 3 d^{10}}$
${[ Ag ]=[ Kr ] 5 s^1 4 d^{10}}$
${[ Zn ]=[ Ar ] 4 s^2 3 d^{10}}$

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