MCQ
Epoxides are
- ✓Cyclic ethers
- BNot ethers
- CAryl-alkyl ethers
- DEthers with another functional group
✓
Answer
Correct option: A.
Cyclic ethers
a
(a) Cyclic ethers are called epoxides.
(a) Cyclic ethers are called epoxides.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Oxidation number of $C$ in $HNC$ is
→$pH$ of water is $7$. When a substance $Y$ is dissolved in water, the $pH$ becomes $13$. The substance $Y$ is a salt of
→Select the correct statement regarding acid catalysed dehydration of ter-butylalcohol.
Kolbe-Schmidt reaction is used for
The $"N"$ which does not contribute to the basicity for the compound is
→The frequency of radiation emitted when the electron falls from $n = 4$ to $n = 1$ in a hydrogen atom will be (Given ionization energy of $H$ $ = 2.18 \times {10^{ - 18}}J\,\,\,{\rm{ato}}{{\rm{m}}^{ - 1}}$ and $h = 6.625 \times {10^{ - 34}}\,Js)$
→Given below are two statements:
→Statement $I$ : The decrease in first ionization enthalpy from $B$ to $Al$ is much larger than that from $Al$ to $Ga$.
Statement $II$ : The d orbitals in Ga are completely filled.
In the light of the above statements, choose the most appropriate answer from the options given below
Ritz combination principle is :
According to the Bohr theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon ?
For 'invert sugar', the correct statement(s) is(are)
→(Given: specific rotations of ($+$)-sucrose, ($+$)-maltose, $L$-($-$)-glucose anc. $+(+)$-fructose in aqueous solution are $+66^{\circ},+140^{\circ},-52^{\circ}$ and $+92^{\circ}$, respectively)
($A$) 'invert sugar' is prepared by acid catalyzed hydrolysis of maltose
($B$) . 'invert sugar' is an equimolar mixture of $D$-($+$)-glucose and $D$-($-$)-fructose
($C$) specific rotation of 'invert sugar' is $-20^{\circ}$
($D$) on reaction with $\mathrm{Br}_2$ water, 'invert sugar' forms saccharic acid as one of the products