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Complete the following reactions (i) C...

Complete the following reactions
(i) `CH_(3)-overset(O)overset(||)(C)-CH_(3)overset(CH_(3)MgBr)underset("ether(dry)")rarrAoverset(H_(3)O^(+))rarrB` (ii) `CH_(3)-CH_(2)-CH_(2)-CHOoverset(Ni//H_(2))rarrA`

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(i) `CH_(3)-overset(O)overset(||)(C)-CH_(3)overset(CH_(3)MgBr)underset("ether(dry)")rarrunderset("Addition compound (A)")([CH_(3)-overset(OMgBr)overset(|)underset(CH_(3))underset(|)(C)-CH_(3)])overset(H_(3)O^(+))rarrunderset("Tert-butyl alcohol (B)")(CH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)(C)-CH_(3))`
(ii) `underset("Butanal")(CH_(3)-CH_(2)-CH_(2)-CHO)overset(Ni//H_(2))rarrunderset("Butan-1-ol(A)")(CH_(3)CH_(2)-CH_(2)-CH_(2)OH)`
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