An element ' \( \mathrm{X} \) ' which belongs to the first short period has the outer electronic... VIDEO
An element ' \( \mathrm{X} \) ' which belongs to the first short period has the outer electronic configuration \( n s^{2} n p^{1} \). What is the formula and acid-base character of its oxide ?https://bit.ly/YTAI_PWAP https://www.pw.live
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(a) \( \mathrm{Al}(\mathrm{OH})_{3}, \m... 2022-12-02 An element ' \( \mathrm{X} \) ' which belongs to the first short period has the outer electronic... 2022-12-02 Which of the following is weakest basic oxide ?
(a) \( \mathrm{Fe}_{2} \mathrm{O}_{3} \)
(b) \( ... 2022-12-02 Which of the following compounds has a negative enthalpy of solution?
(a) \( \mathrm{KCl} \)
(b)... 2022-12-02 Consider following sequence of reaction
\( P \)
W
According to given information which of the fo... 2022-12-02 The element having highest electronegativity :
(a) Has period number 3 and group number 16
\( P ... 2022-12-02 Which of the following compounds has a positive enthalpy of solution?
\( \mathrm{P} \)
(a) \( \m... 2022-12-02 Which of the following is different from other three oxides?
(a) \( \mathrm{MgO} \)
(b) \( \math... 2022-12-02 Which one of the following orders present the correct sequence of the increasing basic nature of... 2022-12-02 Which of the following compound is most acidic?
(a) \( \mathrm{Cl}_{2} \mathrm{O}_{7} \)
(b) \( ... 2022-12-02 Select the amphoteric substance in the following :
(a) \( \mathrm{SO}_{3} \)
(b) \( \mathrm{NaOH... 2022-12-02 Which of the following represent the correct order of EA?
(a) \( \mathrm{O}\mathrm{C}\mathrm{N}\...
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