Whe happen when ethanal is treated with methyl magnesium iodide followed by hydrolysis?

What happens when (i) Acetaldehyde react with methyl magnesium bromide followed by hydrolysis. (ii) Phenol reacts with bromine dissolved in CS_(2) .

What happens, when- Ethanal is treated with methyl magnesium bromide and the product is hydrolysed,

Which of the following on reaction with methyl magnesium iodide followed by hydrolysis will give 2-methylpropan-2-ol ?

Formaldehyde when reacted with methyl magnesium bromide followed by hydrolysis gives

Formaldehyde when reacted with methyl magnesium bromide followed by hydrolysis gives

The interaction of acetone with methyl magnesium chloride followed by hydrolysis

Methyl cyanide on treatment with methyl magnesium bromide followed by hydrolysis gives

Reaction of benzonitrile with methyl magnesium iodide followed by hydrolysis gives :