NEET levelSingle correct optionDifficulty 1 of 3sb114
Among the hydroxides of alkali metals, the strongest base is:
ALiOH
BCsOH
CNaOH
DKOH
Answer: B
Basic strength rises down the group because the M-OH bond becomes weaker and ionisation easier as the cation gets bigger. CsOH is therefore the strongest base among these.