InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
Which of following molecule is having shortest bond lengthA. `O_(2)^(+)`B. `O_(2)^(2-)`C. `B_(2)`D. All have same bond length |
| Answer» Correct Answer - A | |
| 352. |
Select the molecule with more polar bond from each of the indicated bonds among given set of molecule : (a) `H_(3)Cunderset((I))(-)H,(H_(3)C)underset((II))(-)Br` (b)`H_(3)Cunderset((I))(-)NH_(2),underset((II))(H_(3)C)-OH` (c ) `H_(3)Cunderset((I))(-)OH,underset((II))(H_(3)C)-SH`A. I,I,IB. II,II,IIC. II,II,ID. II,I,II |
| Answer» Correct Answer - C | |
| 353. |
The species having no `ppi-ppi` bond but its bond order equal to that of `O_(2)^(-)`A. `ClO_(3)^(-)`B. `PO_(4)^(-3)`C. `SO_(4)^(2-)`D. `XeO_(3)` |
| Answer» Correct Answer - C | |
| 354. |
Which of the following molecule would have a carbon halogen bond most susceptible to nucleophilic substitution ?A. 2-FlourbutaneB. 2-ChlorobutaneC. 2-Bromo butaneD. 2-Iodobutane |
| Answer» Correct Answer - D | |
| 355. |
Which of the following molecule/species are iso-structural with `N_(3)^(-)`ion ?A. `I_(3)^(+)`B. `I_(3)^(-)`C. `NH_(2)^(-)`D. `HCO_(2)^(-)` |
| Answer» Correct Answer - B | |
| 356. |
Among the following hydroxides which are is most basic ?A. `Lu(OH)_(3)`B. `La(OH)_(3)`C. `Pm(OH)_(3)`D. `Yb(OH)_(3)` |
| Answer» Correct Answer - B | |
| 357. |
Which of the following molecule/species have a same bond order as that of that of `O_(2)^(+)`A. NOB. `N_(2)^(-)`C. `N_(2)^(+)`D. All of these |
| Answer» Correct Answer - D | |
| 358. |
Amongst the following elements whose electronic configuration are given below, the one having the highest enthalpy isA. Amongst the following elements whose electronic configuration is given below, the one having highest ionisation enthalpy isB. Amongst the following elements whose electronic configuration is given below, the one having highest ionisation enthalpy isC. Amongst the following elements whose electronic configuration is given below, the one having highest ionisation enthalpy isD. Amongst the following elements whose electronic configuration is given below, the one having highest ionisation enthalpy is |
| Answer» Correct Answer - B | |
| 359. |
The molar conductivity of 0.05 M solution of weak acid is `16.6Omega^(-1)cm^(-2)mol^(-1).` Its molar conductivity at infinite dilution is `390.7Omega^(-1)cm^(-2)mol^(-1)`. The degree of dissociation of weak acid isA. 0.24B. 0.42C. 0.042D. 0.024 |
| Answer» Correct Answer - C | |
| 360. |
In electrolysis of `NaCl` when `Pt` electrode is taken `H_(2)` is liberated at cathode while `Hg` cathode it forms sodium amalgam becauseA. Hg is more inert than PtB. Na is dissolved in Hg while it does not dissolve in PtC. More voltage is required to reduce `H^(+)` ions at Hg than at PtD. Concentration of `H^(+)` ions is larger when Pt electrode is taken |
| Answer» Correct Answer - C | |
| 361. |
Which of the following is not correct reaction : (P) Oxalic acid `overset(Delta)(to)` Formic acid (Q) Malonic acid `overset(Delta)(to)` Acetic acid (R ) Succinic acid `overset(Delta)(to)` Succinic Anhydride (S) Adipic acid `overset(Delta)(to)` Cyclopentanone (T) Formic acid `overset(Delta)(to)` COA. P,QB. R,S,TC. P,Q,TD. Only T |
| Answer» Correct Answer - D | |
| 362. |
When a dilute aq. Solution of `Li_(2)SO_(4)` is electrolysed, the products formed at the anode and cathode are respectively ?A. `H_(2) and O_(2)`B. `O_(2) and Li`C. `SO_(2) and H_(2)`D. `O_(2) and H_(2)` |
| Answer» Correct Answer - D | |
| 363. |
Which is correct for EA ?A. `CIgtFgtBrgtIgtS`B. `O^(_)gtOgtO^(+)`C. `S^(-)O^(-)`D. `CIgtFgtSgtOgtNgtP` |
| Answer» Correct Answer - A | |
| 364. |
Match the column - `{:("ColumnI",,,,"ColumnII"),((a)N_(2)O,,,,(P)"Normal Oxide"),((b)Na_(2)O,,,,(Q)"Neutral Oxide"),((c)Ga_(2)O_(3),,,,(R)"Sub Oxide"),((d)C_(3)O_(2),,,,(S)"Basic Oxide"),((e)V_(3)O_(4),,,,(T)"Amphoteric Oxide"),(,,,,(U)"Mixed Oxide"):}`A. `(a)-Q(b)-P,S(c)-R(d)-T,(e)-U`B. `(a)-Q(b)-P,S(c)-T(d)-R,(e)-U`C. `(a)-R,P(b)-Q,S(c)-U,(d)-T,(e)-R`D. `(a)-R,Q(b)-R,S(c)-T(d)-U,(e)-R` |
| Answer» Correct Answer - B | |
| 365. |
Leakage of which gas was responsible for the Bhopal tragedy in 1984A. `CH_(3)NCO`B. `CH_(3)NCS`C. `CH_(3)CNO`D. `CH_(3)CNS` |
| Answer» Correct Answer - A | |
| 366. |
Which of the following is correct forA. `CH_(3)-COClgtCH_(3)-COOCO-CH_(3)gtCH_(3)-COC_(2)H_(5)gtCH_(3)-CONH_(2)` (reactivity towards cyanohydrin formation)B. `C_(6)H_(5)-CH=OgtCH_(3)-CH=OgtCH_(3)-CO-CH_(3)` (reactivity towards cyanohydrin formation)C. (reactivity towards electrophilic substitution reaction)D. `CH_(3)-CH_(2)-CH_(2)CH_(2)-OHgtH_(3)C-CH_(2)-overset(OH)overset(|)(CH)-CH_(3)gt(CH_(3))_(3)C-OH` (reactivity towards Lucar reagent) |
| Answer» Correct Answer - A | |
| 367. |
Product B isA. B. C. D. |
| Answer» Correct Answer - B | |
| 368. |
In which reaction racemic mixture is obtained as product ?A. `Ph-CHO+HCNto`B. `H_(3)C-underset(C_(2)H_(5))(CH)-CH_(2)-OH+SOCl_(2)overset("pyridine")(to)`C. `H_(3)C-underset(Cl)underset(|)(CH)-CH_(2)-CH_(3)+C_(3)H_(7)overset(ө)(O)overset(o+)(Na)underset(Delta)overset(ROH)(to)`D. All of these |
| Answer» Correct Answer - A | |
| 369. |
Arrange the following towards their reactivity for hydration ? A. `IIgtIgtIIIgtIV`B. `IgtIIIgtIVgtII`C. `IgtIIgtIIIgtIV`D. `IgtIVgtIIIgtII` |
| Answer» Correct Answer - D | |
| 370. |
Arrange the following towards their reactivity for electrophilic addition reaction (EAR) A. `IgtIIIgtIIgtIV`B. `IIgtIgtIIIgtIV`C. `IgtIIgtIIIgtIV`D. `IIgtIIIgtIgtIV` |
| Answer» Correct Answer - C | |
| 371. |
Arrange the following towards reactivity for heat of combustion :- A. `IIgtIgtIII`B. `IgtIIgtIII`C. `IIgtIIIgtI`D. `IgtIIIgtII` |
| Answer» Correct Answer - D | |
| 372. |
Product ( C) and (D ) will be:A. B. C. D. |
| Answer» Correct Answer - B | |
| 373. |
Arrange the following in order of their reactivity towards `CH_(3)MgBr`? (I) `H_(3)C-underset(O)underset(||)(C)-H` (II) `C Cl_(3)-underset(O)underset(||)(C)-H` (III) `H_(3)C-underset(O)underset(||)(C)-CH_(3)` (IV) `Ph-underset(O)underset(||)(C)-CH_(3)`A. `IgtIVgtIIIgtII`B. `IIgtIgtIIIgtIV`C. `IgtIIgtIIIgtIV`D. `IgtIIIgtIIgtIV` |
| Answer» Correct Answer - D | |
| 374. |
Compound B is :A. B. C. D. |
| Answer» Correct Answer - D | |
| 375. |
Find out major productA. B. C. D. |
| Answer» Correct Answer - B | |
| 376. |
major productA. B. C. D. |
| Answer» Correct Answer - C | |
| 377. |
Compound A is :A. B. C. D. |
| Answer» Correct Answer - D | |
| 378. |
Aline can be prepares by :A. `C_(6)H_(5)NO_(2)overset(SnCl_(2)+H_(2)NaOH)(to)`B. `C_(6)H_(5)NO_(2)underset("Electrolysis")overset(Dil.H_(2)SO_(4))(to)`C. `C_(6)H_(5)NO_(2)overset("Aq. sodium arsenite")(to)`D. `C_(6)H_(5)NO_(2)overset(Zn+NaOH(H_(2)O))(to)` |
| Answer» Correct Answer - B | |
| 379. |
Which of the following oxide is acidic in nature ?A. `B_(2)O_(3)`B. `Al_(2)O_(3)`C. `Ga_(2)O_(3)`D. `In_(2)O_(3)` |
| Answer» Correct Answer - A | |
| 380. |
Which of the following is polarA. p-dichlorobenzeneB. trans-1-chloropropeneC. boron tri fluorideD. xenon tetra fluoride |
| Answer» Correct Answer - B | |
| 381. |
B as a major product is-A. B. C. D. |
| Answer» Correct Answer - C | |
| 382. |
In which reaction ethyl phenyl ketone is obtainedA. `C_(6)H_(5)-C-=N+Et" "MgBrtoAunderset(H^(o+))overset(H_(2)O)(to)`B. `CH_(3)-CH_(2)-underset(O)underset(||)(C)-Cl+Ph_(2).Cd to`C. D. All of them |
| Answer» Correct Answer - D | |
| 383. |
Aniline cannot be obtained by :A. `C_(6)H_(5)NO_(2)underset("Electrolysis")overset(conc.H_(2)SO_(4))(to)`B. `C_(6)H_(5)Clunderset(Delta)overset(NaNH_(2))(to)`C. `C_(6)H_(5)COClunderset((KOH))overset(NaN_(3))(to)`D. `C_(6)H_(5)OHunderset(DryZnCl_(2))overset(NH_(3))(to)` |
| Answer» Correct Answer - A | |
| 384. |
In which species O-O bond is presentA. `S_(2)O_(8)^(-2)`B. `S_(4)O_(6)^(-2)`C. `SO_(3)^(-2)`D. `S_(2)O_(7)^(-2)` |
| Answer» Correct Answer - A | |
| 385. |
Paramagnetic oxide isA. NOB. `N_(2)O_(4)`C. `P_(4)O_(6)`D. `N_(2)O_(5)` |
| Answer» Correct Answer - A | |
| 386. |
Which of the following resist hydrolysis at room temperatureA. `PCI_(3),SF_(6)`B. `C Cl_(4), NO_(2)`C. `PCl_(5),XeF_(6)`D. `SF_(6),C Cl_(4)` |
| Answer» Correct Answer - D | |
| 387. |
Which is insoluble in waterA. D.D.T.B. `CHI_(3)`C. `CH_(3)-CH_(2)-Cl`D. All |
| Answer» Correct Answer - D | |
| 388. |
In which of the following reaction, phosphine is not obtained as productA. `Ca_(3)P_(2)+HClto`B. `P_(4)+NaOHto`C. `H_(3)PO_(4)overset(Delta)(to)`D. `H_(3)PO_(3)overset(Delta)(to)` |
| Answer» Correct Answer - C | |
| 389. |
Glass is soluble inA. aqua ragiaB. `H_(2)SO_(4)`C. HFD. `HClO_(4)` |
| Answer» Correct Answer - C | |
| 390. |
Ammonia is soluble in water but phosphine is insoluble becauseA. phsophine has higher molecular mass than ammoniaB. ammonia is polar while phosphine is non polarC. Ammonia forms inter molecular H-bond with water but phosphine does notD. Ammonnia is ionic while phosphine is covalent |
| Answer» Correct Answer - C | |
| 391. |
Which of the following molecule is polar and non-planarA. `XeF_(4)`B. `XeF_(5)^(-)`C. `CH_(2)F_(2)`D. `ClF_(3)` |
| Answer» Correct Answer - C | |
| 392. |
Which of the following pair is having planar structureA. `SF_(4),XeF_(4)`B. `H_(3)O^(+),SO_(2)`C. `BF_(3),XeOF_(2)`D. `XeF_(4),NO_(3)^(-)` |
| Answer» Correct Answer - D | |
| 393. |
Which of the following pairs of ions are isoelectronic and isostructural?A. `CO_(3)^(-2),NO_(2)^(-)`B. `ClO_(3),-CO_(3)^(-2)`C. `SO_(3)^(-2),NO_(3)^(-)`D. `ClO_(3)^(-),SO_(3)^(-2)` |
| Answer» Correct Answer - D | |
| 394. |
Which of the following compound undergo hydrolysis most easily :A. B. C. D. |
| Answer» Correct Answer - A | |
| 395. |
Which of the following pairs can used to from a buffer solution ?A. `H_(2)SO_(4) and Na_(2)SO_(4)`B. `NaOCI and NaCI`C. `NH_(3) and NH_(4)CI`D. `NaH_(2)PO_(4) and NaCI` |
| Answer» Correct Answer - C | |
| 396. |
Which of the following is not an example of buffer solution ?A. `HNO_(2)+KNO_(2)`B. HF+KFC. `PhNH_(2)+PhNH_(3)^(+)Cl^(-)`D. `NH_(4)Cl+HCl` |
| Answer» Correct Answer - D | |
| 397. |
Which of the following is an example of hydrolysis reaction ?A. `NH_(4)CI=NH_(4)^(+)+CI^(-)`B. `NH_(4)^(+)+H_(2)O=NH_(4)OH+H^(+)`C. `Na^(+)+H_(2)O=NaOH+H^(+)`D. `CH_(3)COOH+HOC_(2)=CH_(3)COOC_(2)H_(5)+H_(2)O` |
| Answer» Correct Answer - B | |
| 398. |
Which of the following acid will release maximum amount of heat when completely neutralised by strong base `NaOH`?A. 1MHCIB. `1MHNO_(3)`C. `1MHCIO_(4)`D. `1MH_(2)SO_(4)` |
| Answer» Correct Answer - D | |
| 399. |
Spin only magnetic moments of a `d^(8)` ion in octahedral, square planar and tetrahedral complexes are :A. 2.8 BM,0.4 B.M.,2.8BMB. 2.8BM,0 BM, 2.8 BMC. 0,0 & 0 B.M.D. None of these |
| Answer» Correct Answer - B | |
| 400. |
Same number of unpaired electron is observed in which of the following complexes (a) `[MnCl_(6)]^(3-)` (b) `[Fe(CN)_(6)]^(3-)` ( c) `[CoF_(6)]^(3-)` (d) `[Ni(NH_(3))_(6)]^(2+)`A. a and bB. a & cC. b & dD. c & d |
| Answer» Correct Answer - B | |