The alkali metal that forms its ion with difficulty is

K

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

L i

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

N a

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

R b

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

Open in App

Solution

The correct option is B $L i$
Because of highest value of ionisation potential and smallest size among alkali metals, lithium ionizes with great difficulty.

Suggest Corrections

Similar questions

The order of decreasing ionisation enthalpy in alkali metals is
(a) Na> Li > K> Rb (b) Rb< Na< K< Li
(c) Li > Na> K> Rb (d) K< Li < Na < Rb

C s^{+}

L i, N a, K,

R b, L i

L i

L i^{+} < N a^{+} < K^{+} < R b^{+} < C s^{+}

(L i^{\oplus}, N a^{\oplus}, K^{\oplus}, R b^{\oplus})

(L i^{⨁}, N a^{⨁}, K^{⨁}, R b^{⨁})

Join BYJU'S Learning Program