3, 3-Dimethyl-2-butanol no reaction with HCl yield mainly

3-methyl-2-butanol

3,3-dimethyl-1-butene

3-methyl-2-butanol on treatment with HCl gives (major product)

3-methyl-2-butanol on treatment with HCl gives (major product)

3-methyl-2 butanol on treatment with HCl gives predominantly

"When 3,3 -dimethyl-2-butanol is treated with "HBr" the number of \(3^{o}\) carbons present in the major product formed is.