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Q. Explain about Dihalide?
Dihalides: Dichlorides and dibromides are formed by the lower members of the group, viz., Se, Te and Po. These are formed mainly by dissociation of the corresponding tetrahalides. Sulphur dichloride can also be formed by chlorination of S2Cl2 preferably, in presence of a trace of a catalyst such as FeCl,. However, due to the decomposition of S2CI2, into S2Cl2, it is rather unstable. While the dihalides of Se are gaseous, those of Te and Po are solids. These dihalides are hydrolysed by H2O2 according to following equation for TeBr2.
2TeBr2 + 3H2O ---------------> H2TeO3+ 4HBr + Te
Dissolution of chlorine in sulphur monochloride, S2Cl2 gives sulphur dichloride, 9CI2, an unstable liquid which dissociates back.
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Which of the following principles/rules limits the maximum number of electrons in an orbital to two: (1) Aufbau principle (2) Pauli's exclusion principle (3) Hund's rule
observations?????..
Assignment
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1)why hydroboration leads to anti-markovnikov addition of hydrogen whereas most electrophilic additions to alkenes result in Markovnikov addition. 2) draw the full mechanism and id
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