2,2 ch c chs

In organic chemistry, the hydroboration–oxidation reaction is a two-step hydration reaction that converts an alkene into an alcohol. The process results in the syn addition of a hydrogen and a hydroxyl group where the double bond had been. ... Tetrahydrofuran (THF) is the archetypal solvent used for hydroboration.

Basic mechanism like this

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see the example...unSymmetrical alkene gives less substituted alcohol

got it adarsh....if you have any doubt then please ask🙏

Sir product ki stereochemistry kya hogi???

adarsh this addition is a type of syn addition

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See the mechanism Adarsh

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In organic chemistry, the hydroboration–oxidation reaction is a two-step hydration reaction that converts an alkene into an alcohol.[1] The process results in the syn addition of a hydrogen and a hydroxyl group where the double bond had been. Hydroboration–oxidation is an anti-Markovnikov reaction, with the hydroxyl group attaching to the less-substituted carbon. The reaction thus provides a more stereospecific and complementary regiochemical alternative to other hydration reactions such as acid-catalyzed addition and the oxymercuration–reduction process. 

Here alkene is symmetrical alkene. So anti-Markovnikov is not followed