s/43603-c0361e3b1d5426d7.js","10489","static/chunks/10489-ec7637f00b8389d0.js","12625","static/chunks/12625-607ecf9e028af53e.js","53788","static/chunks/53788-366f1f5724147afd.js","4203","static/chunks/4203-2fca6889e79f1e15.js","90208","static/chunks/90208-dbeb36e5b92ba787.js","55333","static/chunks/55333-005c1539e8547be5.js","65736","static/chunks/65736-88b15c2fe88ca3db.js","7611","static/chunks/7611-ffb645eb5787ed19.js","25026","static/chunks/25026-38803d5be92e8679.js","76073","static/chunks/76073-9707ff15750a8bd6.js","42688","static/chunks/42688-5bdbee014e5c925e.js","78665","static/chunks/78665-8b335402e7b89f49.js","29825","static/chunks/29825-0e678f2359675ffb.js","73244","static/chunks/73244-ab1954f798349178.js","87529","static/chunks/87529-62e50f700027fe19.js","44544","static/chunks/44544-3b9efe5f72793608.js","56855","static/chunks/56855-7b85e9e23b76ec9b.js","28478","static/chunks/app/dn/qna/%5BquestionId%5D/page-68d107164bbeb88b.js"],"default"] 19:T451,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 ,

0.037g of an alcohol, R-OH was added to `CH_(3)MgBr` and the gas evolved measured 11.2 mL at STP. The Molecular mass of R-OH will be .

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