A sample of 6.75mg of unknown alcohol is added to `CH_(3)MgBr` when 2.52ml of `CH_(4)` at STP is obtained.The unknown alcohol is

A sample of 450 mg of unknown alcohol is added to CH_(3)MgBr when 168 of CH_(4) at STP is obtained the unknown alcohol is

i. 0.21 gm of but-3-yn-2-ol is treated with excess of C_(2)H_(5) MgBr at standard condition. The volume of gas evolved is: (a) 134.4 ml, (b) 146.4 ml (c) 67.2 ml, (d) 73.2 ml ii. 0.46 gm of a compound with molecular mass of 92 gm gave 336 ml of a gas at STP when treated with excess of CH_(3) MgI. The number of moles in the compound is: (a) 0.1 , (b) 2 (c) 3, (d) 4 iii. The treatement of CH_(3)OH with CH_(3)Mgl releases 1.04 ml of a gas at STP. The mass of CH_(3)OH added is: (a) 1.49 mg, (b) 2.98 mg (c) 3.71 mg, (d) 4047 mg iv. The addition of 4.12 mg of an unknown alcohol, ROH, to CH_(3)Mgl releases 1.56 ml of a gas at STP. The molar mass of alcohol is: (a) 32 gm mol^(-1) , (b) 46 gm mol^(-1) (c) 59 gm mol^(-1) , (d) 74 gm mol^(-1) v. Teh sample of 1.79 mg of a compound of molar mass 90 gm mol^(-1) when treated with CH_(3)Mgl releases 1.34 mol of a gas at STP. The number of moles of active hydrogen in the molecule is: (a) 1 , (b) 2 (c) 3 , (d) 4

0.037gm of an alcohol was added to CH_(3)Mgl and the gas evolved measured 11.2ml at STP . What is the molecular weight of the alcohol ? Identify (A) to (E) .

0.44g of a monohydric alcohol when added to CH_(3)MgI in ether librates at STP, 112 cm^(3) of methane. With PCC the same alcohol forms a carbonyl compound that answer silver mirror test. The monohydric alcohol is :

2.3 gm Na is added to 6 gm of CH_(3)CO OH . The volume of H_(2) gas liberated at S.T.P.

An alcohol on oxidation is found to given CH_(3)COOH and CH_(3)CH_(2)COOH . The structure of the alcohol is