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 final product 'Y' is medicine. Which of the following is incorrect regarding 'Y'?

Answer»

The final product 'Y' is medicine. Which of the following is incorrect regarding 'Y'?




2.

The true statement for the acids of phosphorus: H3PO2,H3PO3 andH3PO4 is

Answer»

The true statement for the acids of phosphorus: H3PO2,H3PO3 andH3PO4 is


3.

Addition of 0.6 g of a compound to 50 mL of benzene (density =0.88 g/mL) lowers the freezing point from 5.51oC to 5.01oC. If Kf for benzene is 5.1 K kg mol−1, calculate the molecular weight of the compound.

Answer»

Addition of 0.6 g of a compound to 50 mL of benzene (density =0.88 g/mL) lowers the freezing point from 5.51oC to 5.01oC. If Kf for benzene is 5.1 K kg mol1, calculate the molecular weight of the compound.

4.

2.76 g of Silver Carbonate on being strongly heated yeild a residue weighing 1) 2.16g 2) 2.48 g 3)2.32 g 4) 2.64g

Answer» 2.76 g of Silver Carbonate on being strongly heated yeild a residue weighing 1) 2.16g 2) 2.48 g 3)2.32 g 4) 2.64g
5.

What is difference between molecularity and order of reaction?

Answer» What is difference between molecularity and order of reaction?
6.

Formation of peroxide in ether can be prevented by:

Answer»

Formation of peroxide in ether can be prevented by:



7.

Three difference between monohybrid and dihybrid

Answer» Three difference between monohybrid and dihybrid
8.

Choose the graph that shows the correct variation of lnP v/s 1T where,P is the vapour pressure of a liquid at temperature TAssume ΔHvap for the liquid to be positive.

Answer»

Choose the graph that shows the correct variation of lnP v/s 1T

where,

P is the vapour pressure of a liquid at temperature T

Assume ΔHvap for the liquid to be positive.


9.

In a Brayton cycle, the maximum and minimum temperatures are 1600 K and 300 K. If the ratio of specific heats for the working fluid is 1.67, the product of pressure ratio corresponding to maximum work output and maximum efficiency is ______522.52

Answer» In a Brayton cycle, the maximum and minimum temperatures are 1600 K and 300 K. If the ratio of specific heats for the working fluid is 1.67, the product of pressure ratio corresponding to maximum work output and maximum efficiency is ______
  1. 522.52
10.

What is the correct formula for "Spodumene"?

Answer»

What is the correct formula for "Spodumene"?

11.

28.if the size of nucleus=10 to the power -15 m is scaled upto the tip of a sharp pin =10 to the power -5 m then what is the size of the atom?

Answer» 28.if the size of nucleus=10 to the power -15 m is scaled upto the tip of a sharp pin =10 to the power -5 m then what is the size of the atom?
12.

Difference between alkyne and alkyl compounds

Answer» Difference between alkyne and alkyl compounds
13.

ntTwo metallic oxides contains 27.6percent and 30 percent oxygen respectively .If the formula of the first oxide is X3O4, that of the second will ben ntn

Answer» ntTwo metallic oxides contains 27.6percent and 30 percent oxygen respectively .If the formula of the first oxide is X3O4, that of the second will ben ntn
14.

Which of the following are converted to an aromatic species on the loss of hydride ion?

Answer»

Which of the following are converted to an aromatic species on the loss of hydride ion?


15.

What is the meaning of specific heat?

Answer» What is the meaning of specific heat?
16.

what is expression for half life?

Answer» what is expression for half life?
17.

which compound is most acidic in natur

Answer» which compound is most acidic in natur
18.

Which of the following is the formula of a staturated aliphatic aldehyde?

Answer»

Which of the following is the formula of a staturated aliphatic aldehyde?

19.

The charge on the electron and proton is reduced to half. Let the present value of the Rydberg constant be R. What will be the new value of the Rydberg constant?

Answer»

The charge on the electron and proton is reduced to half. Let the present value of the Rydberg constant be R. What will be the new value of the Rydberg constant?


20.

How to find out charge on colloidal particles

Answer» How to find out charge on colloidal particles
21.

Equalvolumes of 0.002 M solutions of sodium iodate and cupric chlorate aremixed together. Will it lead to precipitation of copper iodate? (Forcupric iodate Ksp= 7.4 × 10–8).

Answer»

Equal
volumes of 0.002 M solutions of sodium iodate and cupric chlorate are
mixed together. Will it lead to precipitation of copper iodate? (For
cupric iodate Ksp
= 7.4 × 10–8).

22.

Find the geometric mean of first 5 terms of G.P for which an=2.3^n/5 [Where, n belongs to N]

Answer» Find the geometric mean of first 5 terms of G.P for which an=2.3^n/5 [Where, n belongs to N]
23.

A mixture of two immiscible liquids nitrobenzene and water boiling at 97 °C has a partial vapor pressure of water 733 mm and that of nitrobenzene 27 mm. The ratio of the weights of water to nitrobenzene in the distillate is?

Answer» A mixture of two immiscible liquids nitrobenzene and water boiling at 97 °C has a partial vapor pressure of water 733 mm and that of nitrobenzene 27 mm. The ratio of the weights of water to nitrobenzene in the distillate is?
24.

59. In 0.2 molar aqua solution of a weak acid HX the degree of ionization is 0.3. the freezing point of the solution will be nearest to 1. 0.48 degrees celsius 2 - 0.48 degree Celsius 3 - 0.36 degree Celsius 4 - 0.26 degree Celsius

Answer» 59. In 0.2 molar aqua solution of a weak acid HX the degree of ionization is 0.3. the freezing point of the solution will be nearest to 1. 0.48 degrees celsius 2 - 0.48 degree Celsius 3 - 0.36 degree Celsius 4 - 0.26 degree Celsius
25.

Knowing the properties of H2O and D2O, do you think that D2O can be used for drinking purposes?

Answer»

Knowing
the properties of H
2O
and D
2O,
do you think that D
2O
can be used for drinking purposes?

26.

Reaction of dihydrogen with ___ is used in the Haber’s process

Answer» Reaction of dihydrogen with ___ is used in the Haber’s process
27.

50.What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride?

Answer» 50.What is the method to find out bond order in case of triatomic or polyatomic species such as carbon di oxide, boron trifluoride?
28.

13. Mn is an oxidising agent because ? A. half filled t2g level B. Completely filled eg level C.empty d - orbital D. all

Answer» 13. Mn is an oxidising agent because ? A. half filled t2g level B. Completely filled eg level C.empty d - orbital D. all
29.

The minimum distance between two tetrahedral voids in NaCl type crystal structure is (a is edge length)

Answer» The minimum distance between two tetrahedral voids in NaCl type crystal structure is (a is edge length)
30.

Calculate the pH of solution when 100 mL, 0.1 M CH3COOH and 100 mL, 0.1 M HCOOH are mix together (Given : Ka(CH3COOH)=2×10−5,Ka(HCOOH)=6×10−5) (Given: log2=0.30)

Answer» Calculate the pH of solution when 100 mL, 0.1 M CH3COOH and 100 mL, 0.1 M HCOOH are mix together (Given : Ka(CH3COOH)=2×105,Ka(HCOOH)=6×105) (Given: log2=0.30)




31.

Can 1M NiSO4 be stored in a vessel of copper? Given that E0Ni2+Ni = -1.20 V and E°Cu2+/Cu =0.34V

Answer»

Can 1M NiSO4 be stored in a vessel of copper? Given that E0Ni2+Ni = -1.20 V and E°Cu2+/Cu =0.34V

32.

Which of the following statements is true about electrolytes?

Answer» Which of the following statements is true about electrolytes?
33.

An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is

Answer»

An energy of 24.6 eV is required to remove one of the electrons from a neutral helium atom. The energy (in eV) required to remove both the electrons from a neutral helium atom is

34.

name the following compound according to iupac nomenclature \{(CH3)2CH\}3COH

Answer» name the following compound according to iupac nomenclature \{(CH3)2CH\}3COH
35.

condition of resonance

Answer» condition of resonance
36.

Which of the following reaction(s) is/are correct?(Only organic products are given)

Answer»

Which of the following reaction(s) is/are correct?

(Only organic products are given)


37.

What is the structure of PO4 -3 ? Is there any Co ordinate bond?

Answer» What is the structure of PO4 -3 ? Is there any Co ordinate bond?
38.

the wave no. of spectral line corresponding to n1=3 n2=5 for h atom is R=109677

Answer» the wave no. of spectral line corresponding to n1=3 n2=5 for h atom is R=109677
39.

D-(+)-glucose reacts with hydroxyl amine and yield an oxime. The structure of the oxime would be:

Answer»

D-(+)-glucose reacts with hydroxyl amine and yield an oxime. The structure of the oxime would be:

40.

Which of the following carbonyl oxygens will form the strongest hydrogen bond with H2O molecules?

Answer»

Which of the following carbonyl oxygens will form the strongest hydrogen bond with H2O molecules?

41.

what is the difference b/w chemical and ionic equilibrium

Answer» what is the difference b/w chemical and ionic equilibrium
42.

A 0.02 M solution of pyridinium hydrochloride has pH = 3.44. Calculate the ionization constant of pyridine

Answer»

A 0.02 M solution of pyridinium hydrochloride has pH = 3.44. Calculate the ionization constant of pyridine

43.

Which of the follwing atoms has the highest first ionization energy?

Answer»

Which of the follwing atoms has the highest first ionization energy?

44.

What is the by-product formed along with the haloarene at the end of Sandmeyer’s reaction?

Answer»

What is the by-product formed along with the haloarene at the end of Sandmeyer’s reaction?

45.

In the below question, element (b) is related to element (a) in a particular way in three pairs of figures out of the given four. Find out the pair of figures in which the element (b) is not related to element (a).

Answer»

In the below question, element (b) is related to element (a) in a particular way in three pairs of figures out of the given four. Find out the pair of figures in which the element (b) is not related to element (a).


46.

how many optically active isomers are possible for bu†an e- 1,2 dio

Answer» how many optically active isomers are possible for bu†an e- 1,2 dio
47.

given 3 moles of C2H6 find 1. no. of moles of carbonatoms 2.no. of moles of hydrogen atoms 3. no. of molecules of C2H6

Answer» given 3 moles of C2H6 find 1. no. of moles of carbonatoms 2.no. of moles of hydrogen atoms 3. no. of molecules of C2H6
48.

meta nitro phenol on reacting with Cl+ and Meta amino phenol on reacting with same .The product will be

Answer» meta nitro phenol on reacting with Cl+ and Meta amino phenol on reacting with same .The product will be
49.

19. Iron powder is added to 1.0M solution of CdCl2 at 298K . The reaction occuring is Cd+² + Fe ----------> Cd + Fe+². If standard potential of a cell producing this reaction is 0.037V, the concentration of Cd+² and Fe+² ions in the above reaction at equilibrium respectively will be

Answer» 19. Iron powder is added to 1.0M solution of CdCl2 at 298K . The reaction occuring is Cd+² + Fe ----------> Cd + Fe+². If standard potential of a cell producing this reaction is 0.037V, the concentration of Cd+² and Fe+² ions in the above reaction at equilibrium respectively will be
50.

The benzene diazonium chloride needed for the sandmeyer reaction to produce aromatic halides is produced by diazotisation reaction that takes place at

Answer»

The benzene diazonium chloride needed for the sandmeyer reaction to produce aromatic halides is produced by diazotisation reaction that takes place at