Two unknown compounds $X$ and $Y$,both having molecular formula $C_4H_8O$,give the following results with four chemical tests.
Compound Bromine $Na$ metal Chromic acid Lucas reagent $X$ decolourises bubbles Orange to Green No reaction $Y$ No reaction No reaction No reaction No reaction
Compound $X$ and $Y$ respectively are:
| Compound | Bromine | $Na$ metal | Chromic acid | Lucas reagent |
| $X$ | decolourises | bubbles | Orange to Green | No reaction |
| $Y$ | No reaction | No reaction | No reaction | No reaction |
Compound $X$ and $Y$ respectively are:
- A$CH_3-CH_2-CO-CH_3$ and $CH_3-CH_2-CH_2-CHO$
- B$CH_2=CH-CH_2-CH_2OH$ and $tetrahydrofuran$
- C$tetrahydrofuran$ and $CH_2=CH-CH_2-CH_2OH$
- D$CH_3-CH_2-CH_2-CHO$ and $CH_3-CH_2-CO-CH_3$
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$(i)$ Organic compound was first synthesized by $F$. Wohler.
$(ii)$ Berzelius stated that some mysterious force exists in living organisms.
$(iii)$ In $1828$,Wohler prepared an organic compound from an inorganic compound,at which time the vital force theory was accepted.
$(iv)$ Kolbe prepared acetic acid and Berthelot prepared methane.
$(i)$ Organic compound was first synthesized by $F$. Wohler.
$(ii)$ Berzelius stated that some mysterious force exists in living organisms.
$(iii)$ In $1828$,Wohler prepared an organic compound from an inorganic compound,at which time the vital force theory was accepted.
$(iv)$ Kolbe prepared acetic acid and Berthelot prepared methane.
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$(2)$ .......... is present in the structure of a heterocyclic compound.
$(3)$ Cyclohexene is a .......... type and furan is a .......... type of compound.
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$(1)$ Two isomers of butane are $n$-butane and isobutane. The relation of the number of $\sigma$ and $\pi$-bonds in them is .......... .
$(2)$ .......... is present in the structure of a heterocyclic compound.
$(3)$ Cyclohexene is a .......... type and furan is a .......... type of compound.
$(4)$ .......... type of $3-D$ model indicates the atomic volume but does not indicate the bond.
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