Question

Which among the following is not a base? [NCERT Exemplar Problems]
(a) NaOH
(b) KOH
(c) NH4OH
(d) C2H5OH

Answer 1

Answer:

(d) C_2H_5OH

Explanation:

A base is a compound which which dissociates in water to give hydroxyl ions OH^-.

NaOH\rightarrow Na^++OH^-

KOH\rightarrow K^++OH^-

NH_4OH\rightarrow NH_4^++OH^-

C_2H_5OH is a covalent compound and doesn't dissociate in water.

Answer 2

option D

this is the right answer

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