Multiple choice question

0.2475 grams of an organic compound on combustion gave 0.495 gm CO 2
and 0.2025 gram H 2 O. Calculate its empherical formula?
iz'u&39 ltkrh; Js.kh D;k gS\ dkcZfud ;kSfxdkssa ls bldk egRo fu:fir djrs gq,
vYdksgy ,oa vehu Js.kh ds lkekU; lw=] v.kqlw=] ,oa uke fy[kks\
What is homologous series? Give its importance for organic compounds and
give general formula, molecular formula with name for Alcohol and amine
series?
iz'u&40 v.kqlw= C 4 H 10 O ls cuus okys lHkh lEHko leko;oh ds lw= fy[ksa rFkk buds
IUPAC uke Hkh nsaA
For molecular formula C 4 H 10 O Give all possible isomeric formulae and IUPAC
name for them?
iz'u&41 v.kqlw= C H N ls cuus okys lHkh izkFkfed f}rh;d ,oa r`rh;d vehuksa ds
4 11
lw=] lkekU; uke rFkk IUPAC uke nhft;s\
Give all possible primary, secondary and tertiary amine formulas from
molecular formula C 4 H 11 N
iz'u&42 fuEu ds fy;s dkj.k Li"V dhft;s\
(a) csUthu esa rhu f}ca/k gksrs gq, Hkh ;g ,YdhUl ls vf/kd LFkkbZ gSA
(b) ,YdhUl esa bySDVªksfQfyd ;ksx gksrk gS tc fd dkcksZfuy ;kSfxdksa esa
U;wfDy;ksfQfyd ;ksx gksrk gSA
(c) ,Ydkby gSykbMksa esa ukfHkd Lusgh izfrLFkkiu fØ;k,sa gksrh gSaA
Explain reason for the following–
(a) There are three double bonds in benzene even then it is more stable than
alkenes?
(b) Electrophyllic addition is found in alkenes while nucleophyllic addition
is found in carbonyl compounds?
(c) Neucleophyllic replacement reactions are found in alkyle halides.
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