Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.	The correct match is
Answer» `{:(A,B,C,D),(I,III,IV,II):}` `{:(A,B,C,D),(II,IV,III,I):}` `{:(A,B,C,D),(IV,I,II,III):}` `{:(A,B,C,D),(II,III,IV,I):}` Answer :C

2.	The correct match is
Answer» `{:(A,B,C,D),(II,III,I,IV):}` `{:(A,B,C,D),(IV,III,II,I):}` `{:(A,B,C,D),(I,III,II,IV):}` `{:(A,B,C,D),(II,III,IV,I):}` Answer :2

3.	The correct match is
Answer» `{:(A,B,C,D),(II,III,I,IV):}` `{:(A,B,C,D),(IV,II,I,III):}` `{:(A,B,C,D),(II,IV,I,III):}` `{:(A,B,C,D),(III,IV,I,II):}` Answer :3

4.	The correct match is
Answer» `{:(A,B,C,D),(I,II,III,IV):}` `{:(A,B,C,D),(IV,III,I,II):}` `{:(A,B,C,D),(III,IV,II,I):}` `{:(A,B,C,D),(IV,III,II,I):}` ANSWER :4

5.	The correct match is
Answer» `{:(A,B,C,D),(IV,III,I,II):}` `{:(A,B,C,D),(IV,II,I,III):}` `{:(A,B,C,D),(II,IV,I,III):}` `{:(A,B,C,D),(IV,I,III,II):}` ANSWER :3

6.	The correct match is
Answer» `{:(A,B,C,D),(I,II,III,IV):}` `{:(A,B,C,D),(I,III,II,IV):}` `{:(A,B,C,D),(II,III,I,IV):}` `{:(A,B,C,D),(III,II,I,IV):}` Answer :2

7.	The correct match is
Answer» `{:(A,B,C,D),(III,IV,II,I):}` `{:(A,B,C,D),(I,II,IV,III):}` `{:(A,B,C,D),(IV,III,I,II):}` `{:(A,B,C,D),(III,IV,I,II):}` Answer :1

8.	The correct match is
Answer» `{:(A,B,C,D),(IV,II,I,III):}` `{:(A,B,C,D),(IV,III,I,II):}` `{:(A,B,C,D),(I,III,II,IV):}` `{:(A,B,C,D),(IV,III,II,I):}` ANSWER :2

9.	The correct match is
Answer» `{:(A,B,C,D),(I,III,IV,II):}` `{:(A,B,C,D),(III,I,IV,II):}` `{:(A,B,C,D),(III,I,II,IV):}` `{:(A,B,C,D),(II,III,I,IV):}` ANSWER :2

10.	The correct match is
Answer» `{:(A,B,C,D),(3,1,4,2):}` `{:(A,B,C,D),(4,2,3,1):}` `{:(A,B,C,D),(2,3,4,5):}` `{:(A,B,C,D),(1,5,2,3):}` ANSWER :1

11.	The correct match is
Answer» `{:(A,B,C,D),(2,3,4,5):}` `{:(A,B,C,D),(3,2,1,4):}` `{:(A,B,C,D),(1,3,2,5):}` `{:(A,B,C,D),(4,2,3,1):}` ANSWER :2

12.	The correct match is
Answer» `{:(A,B,C,D),(3,5,2,1):}` `{:(A,B,C,D),(2,3,4,5):}` `{:(A,B,C,D),(1,2,5,3):}` `{:(A,B,C,D),(4,3,2,1):}` ANSWER :4

13.	The correct match is
Answer» `{:(A,B,C,D),(2,3,1,5):}` `{:(A,B,C,D),(3,4,5,2):}` `{:(A,B,C,D),(1,3,4,2):}` `{:(A,B,C,D),(4,2,1,3):}` ANSWER :1

14.	The correct match is
Answer» `{:(A,B,C,D),(2,1,4,5):}` `{:(A,B,C,D),(3,2,5,1):}` `{:(A,B,C,D),(4,3,1,2):}` `{:(A,B,C,D),(1,2,4,3):}` ANSWER :1

15.	The correct match is
Answer» `{:(A,B,C,D),(2,3,5,1):}` `{:(A,B,C,D),(3,4,2,5):}` `{:(A,B,C,D),(4,1,3,2):}` `{:(A,B,C,D),(1,2,4,3):}` ANSWER :3

16.	The correct IUPAC name of the following compound {:(H_(3)C-CH=C-CH-CH_(3)),("\|""\|"),(""H_(3)C" "Br):} is
Answer» 4-bromo-3-methylpent-2-ene 2-bromo-3-methylpent-4-ene 3-methyl-4-bromopent-4-ene 2-bromo-4-methylpent-2-ene Solution :`{:(H_(3)overset(1)(C)-overset(2)(C)H=overset(3)(C)-overset(4)(C)H-overset(5)(C)H_(3)),("\|""\|"),(""H_(3)C""Br),("4-Bromo-3-methylpent-2-ene"):}`DOUBLE BOND is GIVEN PREFERENCE

17.	The correct IUPAC name of the following compound is:
Answer» 5-chloro-4-methyl-1-nitrobenzene 2-methyl-5-nitro-1-chlorobenzene 3-chloro-4-methyl-1-nitrobenzene 2-chloro-1-methyl-4-nitrobenzene Answer :D

18.	The correct IUPAC name of the compound is :
Answer» 4-Ethyl-3-propylhex-1-ene 3-Ethyl-4-ethenylheptane 3-Ethyl-4-propylhex-5-ene 3-(1-enthypropyl) hex-1-ene. Solution : 4-Ethyl-3-propylhex-1-ene.

19.	The correct IUPAC name of the compound give below is : ltbr.
Answer» 4-Ethyl-3-methyloctane 3-Methyl-4-ethyloctange 2, 3-Dimethylheptane 5-Ethyl-6-methyloctane Solution :

20.	The correct IUPAC name of the compound
Answer» Cyclobutyl cyclopropyl cyclohexane 7-cyclopropyl BICYCLO [4,2,0] octane 2-cyclopropyl bicyclo [5,2,0] NONANE 6-cyclo PROPYL bicyclo [2, 4, 0] octane ANSWER :B

21.	The correct IUPAC name of the compound
Answer» `4-` Ethylpent`-1-`ENE `2-`Ethylpent`-4-`ene `4-`Methylehex`-1-`ene `3-`Methylhex`-1-`ene Solution :

22.	The correct IUPAC name of CH_3 - oversetunderset(\|\|)(O)(C ) - O - oversetunderset(\|\|)(O)(C ) - CH_2CH_3
Answer» ACETYL methanoate KETO ethanoate Ethoxy methanoate Ethanoic propanoic ANHYDRIDE ANSWER :D

23.	The correct IUPAC name of CH_(3)-overset(O)overset(\|\|)C-O-overset(O)overset(\|\|)C-H is
Answer» ACETYL methanoate KETO ethanoate ETHOXY methanoate Formyl ethanoate Answer :D

24.	The correct IUPAC name of CH_(3)-overset(CH_(3))overset("\|")overset(CH_(2))overset("\|")("CH")-C-=C-CH_(2)-C-=C-overset(CH_(3))overset("\|")overset(CH_(2))overset("\|")("CH")-CH_(3)
Answer» 2,8-Diethyl-3,6-nonadiyne 1,5-secondary butyl-1,4-pentadiyne 1,8-dimethyl-4,7-undecadiyne 3,9-dimethyl-4,7-undecadiyne Solution :TRIPLE BOND should GET HIGH PRIORITY

25.	The correct IUPAC name of CH_(3)-overset(O)overset("\|\|")("C")-O-overset(O)overset("\|\|")("C")-CH_(2)CH_(3)
Answer» ACETYL methanoate Keto ethanoate Ethoxy methanoate ETHANOIC PROPANOIC anhydride SOLUTION :Ethanoic propanoic anhydride (According to ALPHABETICAL order).

26.	The correct IUPAC name of CH_(3)-CH_(2)-CH(CH_(3))-CH(C_(2)H_(5))_(2) is
Answer» 4-Ethyl-3-methyl hexane 3-Ethyl-4-methyl hexane 4-Methyl-3-ethyl hexane 2, 4, - DIETHYL PENTANE Solution :ACCORDING to alphabetical ORDER numbering must be started from right to LEFT.

27.	The correct IUPAC name of CH_3 - CH_2 - CH (CH_3) - CH (C_2H_5)_2 is
Answer» 4-Ethyl -3-methyl HEXANE 3-Ethyl-4-methyl hexane 4-Methyl-3-ethyl hexane 2,4, -DIETHYL pentane Answer :B

28.	The correct IUPAC name of
Answer» 2,8-Diethyl-3,6-nonadiyne 1,5-secondary butyl-1,4-pentadiyne 1,8-dimethyl-4,7-undecadiyne 3,9-dimethyl-4,7-undecadiyne ANSWER :D

29.	The correct IUPAC name for the following structure is ............ . CH_(3)-CH_(2)-underset(OH)underset(\|)(CH)-CH_(2)-CH=CH_(2)
Answer» SOLUTION :5-hex-1-en-3-ol

30.	The correct IUPAC name for pent-4-en-1-yne is............ .
Answer» ANSWER :pent-1-en-4-yne

31.	The correct is
Answer» `{:(A,B,C,),(1,2,3,):}` `{:(A,B,C,),(3,2,1,):}` `{:(A,B,C,),(2,3,1,):}` `{:(A,B,C,),(1,3,2,):}` SOLUTION :ICE melts spontaneously at `10^(@)C " i.e" Delta G LT 0` at equilibrium at `0^(@)C " i. e." Delta G = 0` does no melt at `-10^(@)C` spontaneously i.e., `Delta G gt 0`

32.	The correct is
Answer» `{:(A,B,C,D),(3,4,2,1):}` `{:(A,B,C,D),(2,3,1,4):}` `{:(A,B,C,D),(1,3,4,2):}` `{:(A,B,C,D),(1,3,4,2):}` Solution :`DELTA H= H_(P) - H_(R ) " if " H_(P) gt H_(R ) rArr Delta H gt 0` `P Delta V= 0` at constant volume `E + PV = H=` total heat constant `H_(R ) gt H_(P) rArr Delta H lt 0 rArr` exothermic

33.	The correct increasing order of the reactivity of halides for S_(N)' reaction is -
Answer» `CH_(3) - Ch - X lt (CH_(3))_(2)Ch -X lt CH_(2) = CH - CH_(2) - X lt PhCH - X` `(CH_(3))_(2)CH - X lt CH_(3) - CH_(2) - X lt CH_(2) = CH - CH_(2)x lt PhCH_(2) - X` `PhCH_(2) - X lt (CH_(2))CH-X lt CH_(3) - CH_(2) - X lt CH_(2) = CH - CH_(2) - X` `CH_(2) = CH - CH_(2) - X lt PH - CH_(2) - X lt (CH_(3))_(2) CH - X lt CH_(3) - CH_(2) - X` ANSWER :A

34.	The correct increasing order of the oxidation state of sulphur in the anions SO_4^(2-) , SO_3^(2-) , S_2O_4^(2-) , S_2 O_6^(2-) is ………………………. .
Answer» `SO_3^(2-) LT SO_4^(2-) lt S_2 O_4^(2-) lt S_2 O_6^(2-)` `SO_4^(2-) lt S_2 O_4^(2-) lt S_2 O_6^(2-) lt SO_3^(2-)` `S_2 O_4^(2-) lt SO_3^(2-) lt S_2 O_6^(2-) lt SO_4^(2-)` `S_2 O_6^(2-) lt S_2 O_4^(2-) lt SO_4^(2-) lt SO_3^(2-)` Solution :`overset(+3)S_2 O_4^(2-) lt overset(+4)SO_3^(2-) lt overset(+5)(S_2 O_6^(2-)) lt overset(+6)(SO_4^(2-))`

35.	The correct increasing order of the oxidation state of sulphur in the anions SO_(4)^(2-), SO_(3)^(2-),S_(2)O_(4)^(2-),S_(2)O_(6)^(2-) is
Answer» `SO_(3)^(2-) LT SO_(3)^(2-) lt S_(2)O_(4)^(2-) lt S_(2)O_(6)^(2-)` `SO_(4)^(2-)lt S_(2)O_(4)^(2-) lt S_(2)O_(6)^(2-) lt SO_(3)^(2-)` `S_(2)O_(4)^(2-) lt SO_(3)^(2-) lt S_(2)O_(6)^(2-)lt SO_(4)^(2-)`. `S_(2)O_(6)^(2-) lt S_(2)O_(4)^(2-) lt SO_(4)^(2-) lt SO_(3)^(2-)`. Solution :`overset(+3)(S)O_(4)^(2-)ltSoverset(+4)O_(3)^(2-)ltoverset(+5)S_(2)O_(6)^(2-)lt overset(+6)SO_(4)^(2-)`.

36.	The correct increasing order of reactivity for following alkyl halides towards elimination reaction with alcoholic KOH is : (I)CH_3-undersetunderset(Cl)(\|)CH-CH_3 "" (II)CH_3-undersetunderset(Br)(\|)oversetoverset(CH_3)(\|)C-CH_2CH_3 " " (III)CH_3-undersetunderset(Cl)(\|)oversetoverset(CH_3)(\|)C-CH_2CH_3
Answer» II GT I gt III I gt II gt III II gt III gt I III gt II gt I Answer :C

37.	The correct increasingorder of energyis
Answer» <P>NS, NP ,(n-1)d, (n-1) f ns ,(n-1) p,(n-2)d,(n-2)f ns,np,(n-1)d,(n-2)f ns,(n-1)d,np,(n-1)f Answer :C

38.	The correct increasing order of boiling points is
Answer» `C_(3)H_(7)CHO lt C_(4) H_(9)OHlt(C_(2)H_(5))_(2) O ltCH_(3)(CH_(2))_(3)(CH_(3)` `CH_(3)(CH_(2))_(3) CH_(3)lt(C_(2)H_(5))_(2)OltC_(3)H_(7)CHOltC_(4)H_(9)OH` `C_(4)H_(9)OHlt(C_(2)H_(5))_(2)OltC_(3)H_(7)CHOltCH_(3)(CH_(2))_(3)CH_(3)` `CH_(3)(CH_(2))_(3)CH_(3)ltC_(3)H_(7)CHOlt(C_(2)H_(5))_(2)OltC_(4)H_(9)OH` Solution :Popoff' s rule

39.	The correct increasing order of boiling point of haloalkanes CH_3Cl, CHCl_3, CH_2Cl_2,C Cl_4 ……………………. .
Answer» SOLUTION :`C Cl_4 GT CHCl_3 gt CH_2Cl_2 gt CH_3Cl`

40.	The correct increasing order of density of alkali metals is
Answer» LiltKltNaltRbltCs LiltNaltKltRbltCs KltLiltRbltNaltCs CsltRbltKltNaltLi Answer :A

41.	The correct increasing of trans-effect of the following species is :
Answer» `Br^(-) GT CN^(-) gt HN_(3) gt C_(6)H_(5)^(-)` `CN^(-) gt Br^(-) gt C_(6)H_(5)^(-) gt NH_(3)` `NH_(3) gt CN^(-) gt Br^(-) gt C_(6)H_(5)^(-)` `CN^(-) gt C_(6)H_(5)^(-) gt Br^(-) gt NH_(3)` Answer :D

42.	The correct ground state electronic configuration of chromium atom is
Answer» `[Ar]3D^(5) 4s^(1)` `[Ar]3d^(4) 4s^(2)` `[Ar] 4s^(6)` `[Ar]3d^(5) 4s^(2)` ANSWER :A

43.	The correct graphical repregentation of IP_(2), values of Na, K, Rb, Cs
Answer» SOLUTION :`IE_(2)` ORDER of ALKALI metals are `NagtKgtRbgtCs`

44.	The correct geometry and hybridization for XeF_(4) are :
Answer» planar triangle, `sp^(3)d^(3)` square planar, `sp^(3)d^(2)` octahedral, `sp^(3)d^(2)` TRIGONAL bipyramidal, `sp^(3)d` SOLUTION :`XeF_(4), AB_(4)L_(2)rarr sp^(3)d^(2)`

45.	The direction cosines of aline satisfy the relations lambda(l+m)=na n dm n+n l+l m=0.The value of lambda,for which the two lines are perpendicular toeach other, isa. 1 b. 2 c. 1//2 d. noneof these
Answer» `DELTAZ xxDeltap_(z)ge(h)/(4pi)` `DeltaExxDeltat ge(h)/(4pi)` `DELTAX xxDeltap_(y)ge(h)/(4pi)` `Deltap_(y) ge Deltap_(z) ge(h)/(4pi)` Answer :A::B

46.	The correct formula of hypo is
Answer» `Na_(2)S_(2)O_(3)5H_(2)O` `Na_(2)SO_(4)` `Na_(2)S_(2)O_(3)4H_(2)O` `NaS_(2)O_(3).3H_(2)O` Answer :A

47.	The correct formula of borax is
Answer» `Na_(2)[B_(4)O_(4)(OH)_(3)].9H_(2)O` `Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O` `Na_(2)[B_(4)O_(6)(OH)_(5)].7H_(2)O` `Na_(2)[B_(4)O_(7)(OH)_(6)].6H_(2)O` SOLUTION :the correct structureof borax has `4OH` groups and 8 molecules of WATEROF crystallization. Thus, option (a) is correct.

48.	The correct formula fo salt formed by the neutralization of hypophosphorus acid with NaOH is
Answer» `Na_(3)PO_(2)` `Na_(3)P_(3)` `NaH_(2)PO_(2)` `Na_(2)HPO_(2)` Solution :Hypophosphorus acid `(H_(3)PO_(2))` is a MONOBASIC acid and HENCE forms `NaH_(2)PO_(2)` salt. `H_(3)PO_(4)toP_(4)O_(10)+6H_(2)O`.

49.	The correct formula for reduced pressure and reduced volume are
Answer» <P>`P.P_C, V.V_C` `P/(P_C) , V/(V_C)` `(P_C)/(P),(V_C)/(V)` `P_C,V_C` SOLUTION :`P_t = P/(P_C), V_r = V/(V_C)`.

50.	The correct equation for the degree of an assoclating solute, 'n' molecules of which undergoes assoclation in solution is
Answer» ` ALPHA =( N(i-1))/( n-1) ` ` alpha ^(2) =( n( 1-i))/( (n-1)) ` ` alpha = (n( i-1) )/( 1-n) ` ` alpha =( n( 1-i))/( 1-n) ` ANSWER :C