Question

On moving from left to right in a period what is the order of acidic character of hydrides ?
A. `NH_(3) lt H_(2)O lt HF`
B. `HF lt H_(2)O lt NH_(3)`
C. `H_(2)O lt HF lt NH_(3)`
D. `H_(2)O lt NH_(3) lt HF`

Answer 1

Correct Answer - A
On moving from left to right in a period, the acidic character of hydrides increases. `NH_(3)` is basic, `H_(2)O` is neutral and HF is acidic.