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.

IUPAC name of urea is:

Answer»

Diaminoketone
Aminoethanamide
Aminomethanamide
Aminoacetamide

Answer :C
Discussion
2.

…………..is a pigment present in plants acting as a photosensitiser in the photosynthesis.

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ANSWER :ChlorophyII
Discussion
3.

IUPAC name of the following compound isCH_(2)= CH - underset(CH_(3))underset(|)(CH)-NO_(2)

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3-methyl -3-nitroprop-1-ene
1-methyl -1-nitroprop-2-ene
3-nitrobu t-1-ene
2-nitrobut-3-ene

ANSWER :C
Discussion
4.

______is a measure of protecting power of a colloid

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COLLOID NUMBER
Coagulation number
Gold number
Sol number

ANSWER :C
Discussion
5.

IUPAC name of the following compound (CH_3)_2CHOC(CH_3)_3 is ,

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t-butylisopropylether
2-(2-propoxy) -2-methylpropane
2-methyl -1-ethoxy- 2-propane
1-methyl- 2-propoxy- 2-propane

Answer :B
Discussion
6.

……...is a measure of degree of unsaturation in oils and fats.

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IODINE value
saponification value
Acid value
Acetyl value

Answer :A
Discussion
7.

is a Fischer projection of one of_______ stereoisomers ?

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2
4
8
12

Answer :C
Discussion
8.

IUPAC name of the compound with the molecular formula C_4H_9Br and least possible boiling point is

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2-Bromo -2- METHYLPROPANE
2- BROMOBUTANE
1- Bromobutane
1-Bromo -2- methylpropane

ANSWER :A
Discussion
9.

Is a homopolymer or copolymer ?

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SOLUTION :HOMOPOLYMER because it CONTAINS single type of MONOMER unit.
Discussion
10.

K_3[Fe(CN)_6] is a

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POTASSIUM FERROCYANIDE
potassium ferricyanide
potassium HEXACYANOFERRATE (II)
potassium hexacyanoferrate (III)

ANSWER :D
Discussion
11.

Is a diet consisting mainly of rice an adequate diet ? Why or Why not ?

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SOLUTION :A diet consisting MAINLY of rice is not an adequate diet because it is deficient in lysine and threonine which are essential amino acids required for growth and maintenance of health and hence their deficiency has to be supplemented by other protein RICH diets like PULSES , ETC.
Discussion
12.

IUPAC name of the compound is _______.

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methylpropanamine
2-methylbutan-1-amine
2-methylpropan-1-amine
2-methylpropan-1-amine

Answer :A::B
Discussion
13.

Is a derivative of amino acid how many number of sp^2 hybridised carbon atoms in given structure.

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ANSWER :8
Discussion
14.

IUPAC name of the compound CH_3CH(C_2H_5)CH_2CH(OH)CH_3 is

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2-methylhexan- 3-ol
4-methylhexan -2-ol
heptanol
all of these

ANSWER :B
Discussion
15.

…………………….is a colourless transparent crystal.

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ANSWER :BORIC ACID
Discussion
16.

IUPAC name of the compound [Cr(NH_(3))_(5)CO_(3)]Cl is

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pentaamminecarbonatochromium (III) chloride
pentaamminocarbonatochromium(III) chloride
pentaamminocarbonatochromium (II) chloride
pentaamminecarbonatochromium(II) chloride

Solution :Let OXIDATION state of chromium be x, then `x+5(0)+(-2)=+1`
`x=3`
THUS IUPAC NAME of `[CR(NH_(3))_(5)CO_(3)]^(+)Cl^(-)` is Pentaamminecarbonatochromium (III) chloride.
Discussion
17.

Is 1.0 M H^+ solution under H_2SO_4 at 1.0 atm capable of oxidising silver metal in the presence of 1.0 M Ag^+ ion E_(Ag^+|Ag)^0=0.80V, E_(H^+|H_2(Pt))^0=0.0V

Answer»
Discussion
18.

IUPAC name of the compound having the formulas CH_2=CHCH_2Cl is :

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3-chloro 1- propene
3-chloropropene-3
Allyl chloride
1-chloroprop-3-ene

Answer :A
Discussion
19.

IUPAC name of the compound, (CH_3)_3C-CH_2-CHO is:

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3,3,3-trimethylpropanal
1,1,1-trimethylpropanal
3,3-dimethylbutanal
1,1-dimethylbutanal

Answer :C
Discussion
20.

Is a colloidal system homogeneous or heterogeneous ?

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SOLUTION :It is HETEROGENEOUS.
Discussion
21.

IUPAC name of the compound CH_(3)- underset(CH_(3))underset(|)CH- OCH_(3)

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1-methoxy-1-methylethane
2-methoxy-2-methylethane
2-methoxypropane
Isopropylmethyl ether

Solution :
Discussion
22.

is

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ANSWER :C
Discussion
23.

IUPAC name of the compound CH_(3)-underset(CH_(3))underset("|")"CH"-OCH_(3) is _______.

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1 - METHOXY -1- methylethane
2 - methoxy -2- methylethane
2 - methoxypropane
isopropylmethyl ether

Answer :C
Discussion
24.

is

Answer»




ANSWER :A
Discussion
25.

IUPAC name of the compound CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(OH)overset(|)(C)H-CHO

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5 - oxo - 4 - hydroxy - 2 - pentanone
4 - Hydroxy - 5 - al - 2 - pentanone
2 - Hydroxy - 4 - oxo pentanal
1 - al - 4 - oxo - 2 - pentanol

Answer :C
Discussion
26.

is-

Answer»




ANSWER :D
Discussion
27.

IUPAC name of the compound, Cl-CH_2CH_2COOH is:

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3-chloropropanoic acid
3-chloropropanoic acid
2-chloroethanoic acid
Chlorosuccinic acid

Answer :A
Discussion
28.

Irving William order of stability of complexes of divalent metal ions with same ligands is ________.

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`Cu^(2+) gt Ni^(2+) gt CO^(2+) gt FE^(2+) gt Mn^(2+) gt Cd^(2+)`
`Ni^(2+) lt Co^(2+) lt Fe^(2+) lt Mn^(2+) lt Cd^(2+) lt Cu^(2+)`
`Fe^(2+) gt Mn^(2+) gt Cd^(2+) gt Cu^(2+) gt Ni^(2+) gt Co^(2+) `
`Fe^(2+) lt Mn^(2+) lt Cd^(2+) lt Cu^(2+) lt Ni^(2+) lt Co^(2+)`

ANSWER :A
Discussion
29.

IUPAC name of the compound,

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But-2-en-1-ol
1-hydroxy but-1-ene
4-hydroxy butene-3
But-1-ene-1-ol

Answer :D
Discussion
30.

Irreversible precipitation of proteins is called

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Denaturation
Hydrolysis
REARRANGEMENT
Electrophoresis

Solution :PROTEIN `overset("Heated")UNDERSET("or CHANGE in pH")to` Denatured protein.
Discussion
31.

IUPAC name of the compound,

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1,2,3-tricyanopropane
3-cyanopentane-1,5-dinitrile
1,2,3-cyanopropane
Propane tricarbylamine

Answer :B
Discussion
32.

Irreversible reaction is one which:

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proceeds in ONE DIRECTION only
proceeds in both the direction
is an INSTANTANEOUS reaction
is aslow reaction

ANSWER :A
Discussion
33.

Irrespective of the source, pure sample of water always yeilds 88.89% mass of oxygen and 11.11% mass of hyrdogen . This is explained by the law of:

Answer»

conservation of mass
constant composition
multiple PROPORTIONS
constant VOLUME.

ANSWER :B
Discussion
34.

IUPAC name of the complex K_(3)[Al(C_(2)O_(4))_(3)] is……… .

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potassiumtrioxalatoaluminium`(III)`
potassiumtrioxalatoaluminate `(II)`
potassiumtrisoxalatoaluminate `(III)`
potassiumtrioxalatoaluminate`(III)`

ANSWER :A::D
Discussion
35.

Irreversibleprecipitation of proteinsis called ……… .

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DENATURATION
HYDROLYSIS
Transformation
Trans ESTERIFICATION

ANSWER :A
Discussion
36.

Irregular trend in the standard reduction potential value of first row transition elements is due to

Answer»

Regular variation of FIRST and second ionisation enthalpies
Irregular variation of sublimation enthalpies
Regular variation of sublimation enthalpies
Increase in no. of unpaired electrons

Solution :There is no regular trend in the `E^(@)(M^(2+)//M)` values because of irregular variation of ionization energies and sublimation energies of the ATOMS of the members of the transition SERIES.
Discussion
37.

Irregular trend in the standard reduction potential value of the first row transition elements is due to

Answer»

REGULAR variation of first and second row enthalpies
irregular variation of SUBLIMATION enthalpies
regular variation of sublimation enthalpies
increase in NUMBER of unpaired electrons

Answer :b
Discussion
38.

IUPAC name of the complex K_3[Fe(CN)_6] is :

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POTASSIUM FERRICYANIDE
potaassium hexacyanoiron (III)
potassium hexacyanofrrete (III)
potassium FERRATE (III) hexacyano.

Answer :C
Discussion
39.

Irradiation is carried out by

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USING HIGH temperature
using LOW temperature
passing GAMMA rays
usingbrine

Answer :C
Discussion
40.

Irradiation is

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Killing of microbes at high termperature
Killing of microbes at LOW temperature
Killing of microbs by PASSING high FREQUENCY ray
all of these

Answer :C
Discussion
41.

IUPAC name of the complexK_3 [A1(C_2O_4) _3 ] is

Answer»

Potassiumtrioxalatoaluminium (III)
Potassiumtrioxalatoaluminate (II)
Potassiumtrisoxalatoaluminate (III)
Potassiumtrioxalatoluminate (III)

ANSWER :D
Discussion
42.

Iron sulphide is heated in air to form A, an axide of sulphir. A is dissolved in water to give an acid . The basicity of this acid is

Answer»

2
3
1
zero

ANSWER :A
Discussion
43.

Iron sulphide is heated in air to form A, anoxide of sulphur. A is dissolved in water to give an acid. The basicity of this acid is..

Answer»

2
3
1
zero

Solution :`4FeS_2 + 11O_2 to 2Fe_2O_3 + 8SO_2`
`2SO_2 + O_2 to 2SO_3 `
`SO_3 + H_2O to H_2SO_4 ` DIBASIC ACID
Discussion
44.

What is the IUPAC name of the following compound K_(3)[Fe(CN)_(6)]

Answer»

Potassium hexcyanoferrate (III)
Potassium FERROCYANIDE ION (III)
Potassium HEXACYANOFERRATE(II)
potassium cyanohexaferrate (II)

Answer :A
Discussion
45.

IUPAC name of t-butyl amine is

Answer»

2-methylpropana -2- MINE
trimethanmine
N,N-dimethylmethanamine
N-methyl diethanamine

ANSWER :A
Discussion
46.

IUPAC name of tartaric acid is :

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2,3-dihydroxybutane -1 - 4 - dioic ACID
1,4-dihydroxy BUTANE -2-3- dioic acid
Butane-1,4-dicarboxylic acid
None

Answer :A
Discussion
47.

IUPAC name of t-butyl alochol is

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2-methylpropan-1-ol
2-methylbutan-1-ol
2-methylpropan-2-ol
1-methylpropan-2-ol

ANSWER :C
Discussion
48.

IUPAC name of sodium cobaltinitrite is

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Sodium cobaltinitrite
Sodium hexanitritocobaltate (III)
Sodium hexanitrocobalt (III)
Sodium hexanitritocobaltate (II)

Solution :Sodium cobaltinitrite is `Na_(3)[Co(ONO)_(6)]`.
Its IUPAC name is Sodium hexanitritocobaltate (III).
Discussion
49.

Iron shows least oxidation number in:

Answer»

`K_4[Fe(CN)_6]`
`K_3[Fe(CN)_6]`
`Fe(CO)_5`
`FeSO_4(NH_4)_2SO_4 6H_2O`

ANSWER :C
Discussion
50.

IUPAC name of [Pt(NH_(3))_(3)Br(NO_(2))Cl] Cl is

Answer»

Triamminechloridobromidonitroplatinum (IV) CHLORIDE
Triamminebromidonitrochloridoplatinum (IV) chloride
Triamminebromidochloridonitroplatinum (IV) chloride
Triamminenitrochloridobromidoplatinum (IV) chloride

ANSWER :A
Discussion