• # question_answer Which of the following has more acidic character? A) ${{H}_{2}}Se$                     B) ${{H}_{2}}S$                      C) ${{H}_{2}}O$                      D) ${{H}_{2}}Te$

'Te' atom is very big in size. H-Te bond strength is less, so it easily dissociates ${{H}^{+}}$ions. Hence, the correct option is (d).