Class 11Chemistry8-1.Organic Chemistry : Classification and Nomenclature of Organic compoundsMix Examples of 8-1.Organic Chemistry : Classification and Nomenclature of Organic compounds
MediumVanillin,a compound obtained from vanilla beans,has a total sum of oxygen atoms and $\pi$-electrons equal to . . .
- A$10$
- B$11$
- C$15$
- D$20$
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Similar Questions
An organic compound $C_3H_6O$ does not give a precipitate with $2,4-$Dinitrophenylhydrazine reagent and does not react with metallic sodium. The compound is:
Difficult
View SolutionAmong the compounds
$(i)$ $HC \equiv C-COOH$
$(ii)$ $CH_2=CH-COOH$
$(iii)$ $CH_3-CH_2-COOH$ and
$(iv)$ $CH_3-CH_2-OH$
The correct order of acid strength is
$(i)$ $HC \equiv C-COOH$
$(ii)$ $CH_2=CH-COOH$
$(iii)$ $CH_3-CH_2-COOH$ and
$(iv)$ $CH_3-CH_2-OH$
The correct order of acid strength is
On mixing tetraethyl lead to gasoline available at petrol pumps,
Difficult
View SolutionTwo 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:
The correctly matched pairs of the following are given by the sets $:$
$(A)$ Neopentane $-$ position isomer of isopentane
$(B)$ Isopentane $-$ three primary carbon atoms
$(C)$ Isobutylene $-$ no secondary carbon
$(D)$ Isobutane $-$ two primary carbons
$(A)$ Neopentane $-$ position isomer of isopentane
$(B)$ Isopentane $-$ three primary carbon atoms
$(C)$ Isobutylene $-$ no secondary carbon
$(D)$ Isobutane $-$ two primary carbons
Medium
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