Questions
Which one of the following hydride is most volatile
detailed solution
Correct option is A
Down the group as the size of the atom increases affinity of hydrogen towards central atom decreases. Thereforea) X-H bond enthalpy decreasesb) Thermal stability decreases….H2O and H2S are exothermic products,remaining three hydrides are endothermic products.c) Reducing power increasesd) acidic strength (Ka) increasese) pKa decreasesDown the group as vanderwaal's forces increasesMelting and boiling points increasesExpected BP and MP….H2OTalk to our academic expert!
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