NEET-XII-Chemistry
Previous Year Paper year:2021
- #49In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
(A) \( HF < HCl < HBr < HI \) : Increasing acidic strength
(B) \( H _{2} O < H _{2} S < H _{2} Se < H _{2} Te \) : Increasing \( pK_{a} \) values
(C) \( NH _{3}< PH _{3} < AsH _{3}< SbH _{3} \) : Increasing acidic character
(D) \( CO _{2}< SiO _{2} < SnO _{2}< PbO _{2} \) : Increasing oxidizing powerdigAnsr: BAns : B