Explore topic-wise InterviewSolutions in .

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.

27901.	The metal that does not displace hydrogen from an acid is:
Answer» HG is the only LIQUID metal Zn Al Calomel Answer :A

27902.	The most stable form of sulphur at room temperature is
Answer» monoclínic SULPHUR RHOMBIC sulphur plastic sulphur MILK of sulphur Answer :B

27903.	The most stable form of cis cyclohexane -1,3-diol is represented as :1
Answer» ANSWER :D

27904.	The metal that does not displace hydrogen from an acid is :
Answer» Hg Zn Al Ca Answer :A

27905.	The most stable form of meso-tartaric acid is
Answer» GAUCHE FORM ANTI form Fully ECLIPSED form Partially eclipsed Solution :

27906.	The metal that cannot displace hydrogen from dilute hydrochloric acid is
Answer» ALUMINIMUM iron copper zinc

27907.	The most stable conformation of the following compound is :
Answer» SOLUTION :1,3-trans cycohexane has-ae CONFIGURATION 1,4-cis CYCLOHEXANE has-ae configuration so STR. Of MOLECULES is

27908.	The most stable conformation of the product of following reaction
Answer» SOLUTION :

27909.	The most stable conformational isomer of cyclohexane is:
Answer» CHAIR FORM BOAT form Halfchair form Twisted form Answer :A

27910.	The most stable conformation of n-butane is :
Answer» Skew-boat Eclipsed Gauche Staggered ANTI ANSWER :D

27911.	The metal that cannot be produced on reduction of is oxide by aluminium is :
Answer» K Mn Cr Fe Answer :A

27912.	The moststableconformation of n- butane is :
Answer» SKEW boat Gauche STAGGERED anti eclipsed ANSWER :C

27913.	The most stable conformation of ethane is:
Answer» BOAT form chair form eclipsed form staggered form Answer :D

27914.	Themetalthatcannotbe obtainedbyelectrolysisofan ofanaqueoussolution of its salt is
Answer» CR Ag CA Cu Solution :Cabeinghighlyelectropositivecannotbeobtainedbyelectrolysisof anaqueoussolutionof itssaltbecauseCathusobtainedreactswith`H_2O ` . `Ca+2H_ 2O to Ca ( OH ) _2+H_ 2 `

27915.	The most stable conformation of butane is:
Answer» SKEW Staggered Gauche Eclipsed Answer :A

27916.	The most stable compound is :
Answer» `PbF_(4)` `PbCl_(4)` `PbBr_(4)` `BiCl_(5)` ANSWER :A

27917.	The most stable complex ion is :-
Answer» `[Fe(C_(2)O_(4))_(3)]^(3-)` `[Fe(H_(2)O)_(6)]^(+3)` `[Fe(CN)_(6)]^(4-)` `[Fe(CN)_(6)]^(3-)` Answer :D

27918.	The most stable compound is
Answer» LiF<BR>LiCl LiBr LiI Solution :The electronegativity of HALOGEN is as F gt Cl gt Br gt I Among alkali METALS the electropositive character increases as Lilt Na lt K lt RB lt CS Hence, LiF is the most stable compound.

27919.	The metal that cannot be obtained by electrolysis of the aqueous of its salts are:
Answer» AG `CR` Cu AI Answer :D

27920.	The most stable conformation of 1,2-diphynylethane is:
Answer» ANSWER :D

27921.	The metal that cannot be obtained by electrolysis of the aqueous solution of their salts is:
Answer» Ag Mg Cu Cr Answer :B

27922.	The most stable complex among the following is
Answer» `K_(3)[Al(C_(2)O_(4))_(3)]` `[Pt(en)_(2)]Cl_(2)` `[Ag(NH_(3))_(2)]Cl` `K_(2)[Ni(EDTA)]` Solution :`K_(2)` [Ni(EDTA)] contains the maximum number of rings, i.e., FIVE and HENCE is most stable.

27923.	The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is
Answer» Ag Ca Cu Cr Solution :CALCIUM is STRONGLY electropositive and reacts with water and therefore, its aqueous solution cannot be USED for electrolytic production.

27924.	The metal that cannot be obtained by electrolysis of an aqueous solution of its salt is
Answer» AG CA CU Cr Answer :B

27925.	The metal that can be obtained even by the electrolysis of its aqueous salt
Answer» AL Zn Cu Na Answer :C

27926.	The most stable complex among the following
Answer» `K_(3)[Al(C_(3)O_(4))_(3)]` `[Pt(EN)_(2)]Cl` `[AG(NH_(3))_(2)]Cl` `K_(2)[NI("EDTA")]` Solution :`K_(2)[Ni("EDTA")]`. Since EDTA is hexadentate and chelating and coordinates from six sides forming more stable complex.

27927.	The metal that cannot be obtained by elecrolysis of an aqueous solution of its salts is
Answer» Cu Cr Ag Ca Answer :D

27928.	The most stable carbonium ion is:
Answer» METHYL CARBONIUM ion Primary carbonium ion Secondary carbonium ion Tertiary carbonium ion Answer :D

27929.	The most stable carbocaation is-
Answer» ANSWER :D

27930.	The metal surfaces are excellent reflectors because of absorption and re-emission of light by:
Answer» PROTONS in ATOM Electrons in atom Neutrons in atom None Answer :B

27931.	The moststable carbanion is-
Answer» `:OVERSET(Theta)(C)H_(3)` ANSWER :B

27932.	The metal present in insulin is:
Answer» Cu Fe Zn Mg Answer :C

27933.	The most stable and the least stable resonating structures are respectively
Answer» I and IV I and III II and III III and II Solution :In STRUCTURE II, both the rings are aromatic hence II is most stable structure but in structure III, ONE RING contain `8pi` electron hence antiaromatic , hence structure III is least stable structure.

27934.	The metal present in Grignard reagent is:
Answer» Ca Mg Zn Fe Answer :B

27935.	The most stable arrangement of double bonds in a polynuclear compound is the one in which the maximum number of rings possess benzenoid structure. This rule is called as
Answer» HUCKEL's RULE FRIES Rule Dulong Pentit's Rule Dulong PETIT's Rule Solution :FIRES Rule

27936.	The metal present in chlorophyll is ….. And the metal present in vitamin B_(12) is …… .
Answer» SOLUTION :MAGNESIUM, COBALT

27937.	The most stable allotropic form of sulphur is:
Answer» RHOMBIC sulphur Monoclinic sulphur Plastic sulphur Flowers of sulphur Answer :A

27938.	The metal present in vitamin B_(12) is
Answer» Magnesium Iron Cobalt Manganese Answer :C

27939.	The most soluble halogen in water
Answer» `F_(2)` `Cl_(2)` `Br_(2)` `I_(2)` SOLUTION :`Br_(2) + H_(2) O rarr HBR + HoBr`

27940.	The metal presen in insulin is
Answer» Cu Fe ZN Mg Solution :Zn

27941.	The most soluble halide in water is:
Answer» `CaF_2` `CaCl_2` `CaBr_2` `CaI_2` ANSWER :D

27942.	The metal platinum in SHE is
Answer» inert metal electron collector non metal inert electrode Solution :PLATINUM PROVIDES SPACE to gather electrons.

27943.	The most soluble compound in water is:
Answer» CuS MnS `K_2S` ZnS Answer :C

27944.	The metal oxide which decomposes on heating is/are:
Answer» ZnO `Al_(2)O_(3)` `Ag_(2)O` `HgO` ANSWER :C::D

27945.	The most satisfactory method of separating sugars from each other is :
Answer» FRACTIONAL crystallisation Sublimation Chromatography Benedict solution Answer :C

27946.	The most satisfactory method for separating sugars is :
Answer» FRACTIONAL DISTILLATION VACUUM distillation chromatography steam distillation Solution :N//A

27947.	The metal oxide (s) which decompose on heating is (are)
Answer» ZNO `Al_2O_3` `Ag_2O` `HgO` Solution :`Ag_2O , HgO` HIGH `DeltaG^(0)f` (Ellighan DIAGRAM)

27948.	The most reactive towards electrophilic nitration is :
Answer» toluene benzene Benzoic acid NITROBENZENE SOLUTION :ELECTRON releasing groups increase the reactivity towards ELECTROPHILIC nitration.

27949.	The metal oxide which cannot be reduced to metal by carbon is
Answer» PBO `Al_(2)O_(3)` ZnO FeO Answer :B

27950.	The most relative element with water among the following is:
Answer» Mg Ca Sr Ba Answer :D

‹ 1 … 557 558 559 560 561 … 1879 ›