IOM 2019, Блиц — Задача 19

OLYMPIAD OF METROPOLISES, Moscow, September 2, 2019 · 2 септември 2019 г.

Условие

Which of the following bond angles are less than that of $H-O-H$ in $H_2O$? (Multiple choice)

1. $H-N-H$ in $NH_3$

2. $H-S-H$ in $H_2S$

3. $H-C-H$ in $CH_4$

4. $Cl-I-Cl$ in $ICl_4^{-}$

Решение

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Оригинал в Архива: blitz-en-all-task-final.pdf