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Number of unpaired electrons in sulphur is
Sulphur has an atomic number of 16. Its electronic configuration is \([Ne] 3s^2 3p^4\). The 3p subshell has four electrons, meaning two of them are paired and two are unpaired. Therefore, the number of unpaired electrons in sulphur is 2.
$ H_2S reacts with O_2 in restricted supply of O_2 to form $
$ 2H_2S + O_2 \rightarrow 2H_2O + 2S $ If the $ O_2 $ is not restricted $ 2H_2S+ 3O_2 \rightarrow 2H_2O+ 2SO_2 $
Which of the following mixture is chromic acid
Mixture of $ K_2Cr_2O_7 and conc. H_2SO_4 $ known as chromic acid
Among $ KO_2 , NO^-_2 , BaO_2 and NO^+ _2 $ unpaired electron is present in
$ KO_2 Because in O ^- _2 $ (superoxide ion) One unpaired electron is present in the antibonding orbital
Which of the element of the oxygen family is most poisonous to human race
Among the elements of the oxygen family, selenium (Se) is considered the most poisonous to humans. Selenium compounds can be highly toxic and pose serious health risks if ingested or inhaled in significant amounts.
Which one of the following does not form during the hydrolysis of XeF6?
FACT
Which of the following dissociates to give $ H^+ $ easily
The bond between$ (H_2Te) $ is weakest hence it gives H+ ion easily
$ H_2SO_4 reacts with PCl_5 $ to give
$ HO - SO_2 - OH + PCl_5 \rightarrow Cl - SO_2 - OH + POCl_3 + HCl $ $ HO - SO_2 - OH + 2PCl_5 \rightarrow Cl - SO_2 - Cl + 2POCl_3 + 2HCl $
Among $ H_2O, H_2S, H_2Se and H_2Te $ the one with highest boiling point
$ H_2O $ containing hydrogen bond,
Which of the following is used in artificial respiration
$ Mixture of O_2 and CO_2 $
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