Complete the following reactions :
(1) (a)
(2) Why cannot be `G.R` or lithium organometallic compounds of prepared ?

Explanation

(1) (a)
(d) This is a method of synthesis of `3^@` alcohol containing three identical alkyl `(R )` groups. All the three `R` groups are obtained from `G.R`.
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( e)
(2) Any `G.R` or dialkyl lithium cuprate formed would react with the thermal acidic `H` atom.
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