Decreasing order of atomic weight is correct of the elements given below?

F e > C o > N i

No worries! We‘ve got your back. Try BYJU‘S free classes today!

N i > C o > F e

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C o > N i > F e

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C o > F e > N i

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $C o > N i > F e$
Atomic weight of Iron $\approx 56$ u
Atomic weight of Cobalt $\approx 59$ u
Atomic weight of Nickel $\approx 58.7$ u
So, the order of atomic weights is $C o > N i > F e$ .
Option $C$ is correct.

Suggest Corrections

Similar questions

$[N i (C O)_{4}] > [C o (C O)_{4}]^{-} > [F e (C O)_{4}]^{2 -}$ is the correct order with respect to M-C $π$ bond. Where M=Ni, Fe, and Co

F e

C o

N i

F e > C o > N i

[F e (C N)_{6}]^{4 -}, [N i (C N)_{4}]^{2 -}

[N i (C O)_{4}]

Join BYJU'S Learning Program