MCQ
Which of the following has zero dipole moment?
- ABenzene-1, 4 - diol
- Btrans-1, 2 - dichloroethene
- Ccis-1, 2 - dichloroethene
- DFumeric acid
✓
Answer
- trans-1, 2 - dichloroethene
Explanation:
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
In general, the properties that decrease and increase down a group in the periodic table respectively are
Successive members of homologous series differ from one another in their mass by:
The total number of molecules with zero dipole moment among $\mathrm{CH}_4, \mathrm{BF}_3, \mathrm{H}_2 \mathrm{O}, \mathrm{HF}, \mathrm{NH}_3, \mathrm{CO}_2$ and $\mathrm{SO}_2$ is_______
→Which statement is false for the balanced equation given below ?
→$CS_2 + 3O_2 \,\,\to \,\, 2SO_2 + CO_2$
During the formation of a molecular orbital from atomic orbitals, probability of electron density is
Rank the transition states that occur during the following reaction steps in order of
increasing stability (least $\to$ most stable)
→increasing stability (least $\to$ most stable)
$1. \,{H_3}C - \mathop O\limits^ + {H_2} \to CH_3^ + + {H_2}O$
$2.\,{(C{H_3})_3}C - \mathop O\limits^ + {H_2} \to {(C{H_3})_3}{C^ + } + {H_2}O$
$3.\,{(C{H_3})_2}CH - \mathop O\limits^ + {H_2} \to {(C{H_3})_2}C{H^ + } + {H_2}O$
Match the coordination number and type of hybridisation with distribution of hybrid orbitals in space based on Valence bond theory.
→| Coordination number and type of hybridisation | Distribution of hybrid orbitals In space |
| $(a)$ $4, sp ^{3}$ | $(i)$ trigonal bipyramidal |
| $(b)$ $4, dsp ^{2}$ | $(ii)$ octahedral |
| $(c)$ $5, sp ^{3} d$ | $(iii)$ tetrahedral |
| $(d)$ $6, d ^{2} sp ^{3}$ | $(iv)$ square planar |
Select the correct option
The total number of contributing structures showing hyperconjugation (involving $C - H$ bonds) for the following carbocation is
→$C{H_2} = C{H_2} \xrightarrow[KOH / H_2o ]{KMnO_4} \mathop {}\limits_{} X$ . Product ‘$X$’ in above reaction is
→The standard electrode potential $E^-$ and its temperature coefficient $\left( {\frac{{d{E^ - }}}{{dT}}} \right)$ for a cell are $2\,V$ and $-\,5\times10^{-4}\,V\,K^{-1}$ at $300\,K$ respectively. The cell reaction is
→$Zn\left( s \right) + C{u^{2 + }}\left( {aq} \right) \rightleftharpoons Z{n^{2 + }}\left( {aq} \right) + Cu\left( s \right)$
Standard reaction enthalpy $\left( {{\Delta _r}{H^ - }} \right)$ ....... $\mathrm{kJ}$