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.

17. how does electrons are sharedin s,p,d,f shell of an atom

Answer» 17. how does electrons are sharedin s,p,d,f shell of an atom
2.

In a thermodynamic process on an ideal monoatomic gas, the infinitesimal heat absorbed by the gas is given by TΔX, where T is temperature of the system and ΔX is the infinitesimal change in a thermodynamic quantity X of the system. For a mole of monoatomic ideal gas X=32R ln(TTA)+R ln(VVA). Here, R is gas constant, TA and VA are constants. The List - I below gives some quantities involved in a process and List - II gives some possible values of these qunatitites. List - IList - II(i) Work done by the system in process 1→2→3(P)13RT0ln2(ii)Change in internal energy in process1→2→3(Q)13RT0(iii)Heat absorbed by the system in process1→2→3(R)RT0(iv) Heat absorbed by the system in process1→2(S)43RT0(T)ΔQ=RT0+RT03ln 2 If the process carried out on one mole of monoatomic ideal gas is as shown in the TV - diagram with P0V0=13RT0. The correct match is -

Answer»

In a thermodynamic process on an ideal monoatomic gas, the infinitesimal heat absorbed by the gas is given by TΔX, where T is temperature of the system and ΔX is the infinitesimal change in a thermodynamic quantity X of the system. For a mole of monoatomic ideal gas X=32R ln(TTA)+R ln(VVA). Here, R is gas constant, TA and VA are constants. The List - I below gives some quantities involved in a process and List - II gives some possible values of these qunatitites.
List - IList - II(i) Work done by the system in process 123(P)13RT0ln2(ii)Change in internal energy in process123(Q)13RT0(iii)Heat absorbed by the system in process123(R)RT0(iv) Heat absorbed by the system in process12(S)43RT0(T)ΔQ=RT0+RT03ln 2
If the process carried out on one mole of monoatomic ideal gas is as shown in the TV - diagram with P0V0=13RT0. The correct match is -

3.

why is isobutane named so ?can't we call isobutane as tertbutane ?if not,why?

Answer» why is isobutane named so ?can't we call isobutane as tertbutane ?if not,why?
4.

On mixing 10 ml of ethanol with 10 ml of benzene the total volume of the solution is (1) > 20 ml (2) < 20 ml (3) = 20 ml (4) Can't be predicted r

Answer» On mixing 10 ml of ethanol with 10 ml of benzene the total volume of the solution is (1) > 20 ml (2) < 20 ml (3) = 20 ml (4) Can't be predicted r
5.

The reaction,MgO(s)+C(s)→Mg(s)+CO(g),For which △rHo=+491.1kJ mol−1and△rS∘=198.0JK−1mol−1 is not feasible at 298 K. Temperature above which reaction will be feasible is

Answer»

The reaction,

MgO(s)+C(s)Mg(s)+CO(g),

For which rHo=+491.1kJ mol1andrS=198.0JK1mol1 is not feasible at 298 K. Temperature above which reaction will be feasible is

6.

The product of the reaction given below is:

Answer»

The product of the reaction given below is:

7.

The molar conductance of NH4OH at 0.01 M concentration is 11.3 ohm−1cm2mol−1. The degree of dissociation of NH4OH is: (Molar conductance at infinite dilution = 271.1 ohm−1cm2mol−1

Answer»

The molar conductance of NH4OH at 0.01 M concentration is 11.3 ohm1cm2mol1. The degree of dissociation of NH4OH is: (Molar conductance at infinite dilution = 271.1 ohm1cm2mol1

8.

What is meant by coplanar

Answer»

What is meant by coplanar

9.

Use a connector to make the sentences sound better. __________ Tushar boasts about his physical strength. He cannot perform a single push up.

Answer»

Use a connector to make the sentences sound better.
__________ Tushar boasts about his physical strength. He cannot perform a single push up.


10.

Order of enthalpies of atomisation between 3d , 4d and 5d series .

Answer» Order of enthalpies of atomisation between 3d , 4d and 5d series .
11.

The angular momentum of electron in p orbital is

Answer» The angular momentum of electron in p orbital is
12.

When an air bubble rises in water what happened to its potential energy

Answer»

When an air bubble rises in water what happened to its potential energy

13.

Among V2+ and V3+ which is stable?

Answer» Among V2+ and V3+ which is stable?
14.

order of extent ofH bonding in NH3 HF and H2

Answer» order of extent ofH bonding in NH3 HF and H2
15.

At which of the following temperature - pressure condition, the deviation of a gas from ideal behaviour is expected to be minimum ?

Answer»

At which of the following temperature - pressure condition, the deviation of a gas from ideal behaviour is expected to be minimum ?

16.

A disk is undergoing pure rolling motion with speed v. The radius of the disk being R and mass being M. Then the angular momentum of the disk about the bottom most point will be having magnitude equal to

Answer» A disk is undergoing pure rolling motion with speed v. The radius of the disk being R and mass being M. Then the angular momentum of the disk about the bottom most point will be having magnitude equal to
17.

The action of AlCl3 in Friedel crafts reaction is

Answer»

The action of AlCl3 in Friedel crafts reaction is

18.

34 Propene to propyne

Answer» 34 Propene to propyne
19.

What is the empirical formula of vanadium oxide, if 2.74 g of the metal oxide contains 1.53 g of metal?

Answer»

What is the empirical formula of vanadium oxide, if 2.74 g of the metal oxide contains 1.53 g of metal?

20.

Which carbon is anomeric carbon in α−Fructose?

Answer»

Which carbon is anomeric carbon in αFructose?

21.

28. At 18 degree heat of solution of unhydrous CuSo4 in excess amount of water is equal to -15.90 kcal & for CuSo4 .H2O =2.75 kcal calculate heat of hydration of CuSo4

Answer» 28. At 18 degree heat of solution of unhydrous CuSo4 in excess amount of water is equal to -15.90 kcal & for CuSo4 .H2O =2.75 kcal calculate heat of hydration of CuSo4
22.

difference between intramolecular forceand intermolecular force

Answer» difference between intramolecular forceand intermolecular force
23.

What is heat? Give its units.

Answer» What is heat? Give its units.
24.

How the following equations are dimensionally correct - [F]=G Mm/r^2 And V^2 - u^2=2as

Answer»

How the following equations are dimensionally correct -

[F]=G Mm/r^2

And

V^2 - u^2=2as

25.

Do we need to memorise the entire periodic table?

Answer» Do we need to memorise the entire periodic table?
26.

43. What is the value of i when acetic acid dimerises

Answer» 43. What is the value of i when acetic acid dimerises
27.

Which of the following arrangement of bond dissociation enthalpy of halogens is correct?[1 Mark]

Answer»

Which of the following arrangement of bond dissociation enthalpy of halogens is correct?

[1 Mark]

28.

55 Which of the following shall form an octahedral complex? a)d4 (low spin) b)d8 (high spin) c)d6(low spin) d)all of these

Answer» 55 Which of the following shall form an octahedral complex? a)d4 (low spin) b)d8 (high spin) c)d6(low spin) d)all of these
29.

What are polysaccharides.

Answer»

What are polysaccharides.

30.

difference between unit cell and lattice

Answer» difference between unit cell and lattice
31.

Find out the ratio of number of atoms in 1g of NH3 and 1g of N2?

Answer» Find out the ratio of number of atoms in 1g of NH3 and 1g of N2?
32.

57 Why and how wave is formed when a particle moves?.why does not move photon straightly.?a vehicle moves on earth but how wave forms?

Answer» 57 Why and how wave is formed when a particle moves?.why does not move photon straightly.?a vehicle moves on earth but how wave forms?
33.

What is the end product in the following sequence of reactions ? Acetamide A B

Answer»

What is the end product in the following sequence of reactions ?

Acetamide A B


34.

Which of the following reactions will not give an amine as a product?

Answer»

Which of the following reactions will not give an amine as a product?

35.

What will be the stereochemistry of the product when: (a) an enantiomer is treated with a chiral reagent (b) an enantiomer is treated with an achiral reagent (c) a diastereomer is treated with a chiral reagent (d) a diastereomer is treated with an achiral reagent

Answer» What will be the stereochemistry of the product when: (a) an enantiomer is treated with a chiral reagent (b) an enantiomer is treated with an achiral reagent (c) a diastereomer is treated with a chiral reagent (d) a diastereomer is treated with an achiral reagent
36.

1) What is Resonance 2) What is Dipole moment

Answer» 1) What is Resonance 2) What is Dipole moment
37.

Proton,neutron,alpha particles have same kinetic energy. Compute the ratio of de broglie wavelength

Answer» Proton,neutron,alpha particles have same kinetic energy. Compute the ratio of de broglie wavelength
38.

If all the three interaxial angles defining the unit cell are equal in magnitude, the crystal cannot belong to(I) Orthorhombic system(II) Monoclinic system(III) Hexagonal system(IV) Tetragonal system

Answer» If all the three interaxial angles defining the unit cell are equal in magnitude, the crystal cannot belong to
(I) Orthorhombic system
(II) Monoclinic system
(III) Hexagonal system
(IV) Tetragonal system
39.

How to find bond order if CO2 and CO32- using MOT?

Answer» How to find bond order if CO2 and CO32- using MOT?
40.

Which of the following relations is/are correct?

Answer»

Which of the following relations is/are correct?

41.

Is 0 is a neither positive nor negative

Answer» Is 0 is a neither positive nor negative
42.

The enthalpy of gydrogenation of cyclohexene is -119.5.if resonance energy of benzene is -150.its entalpy of hydrogenation is

Answer» The enthalpy of gydrogenation of cyclohexene is -119.5.if resonance energy of benzene is -150.its entalpy of hydrogenation is
43.

From 2mg of calcium 1.2 × 1019 atoms are removed. The number of Gram atoms of calcium left is?

Answer»

From 2mg of calcium 1.2 × 1019 atoms are removed. The number of Gram atoms of calcium left is?

44.

42. 1 mole of 'A', 1.5 mole of 'B' and 2 mole of 'C' are taken in a vessel of volume one litre . At equilibrium concentration of C is 0.5 mole/L. Equilibrium constant for the reaction A(g)+B(g) gives C(g) is (1)0.66 (2)0.066 (3)66 (4)6.6

Answer» 42. 1 mole of 'A', 1.5 mole of 'B' and 2 mole of 'C' are taken in a vessel of volume one litre . At equilibrium concentration of C is 0.5 mole/L. Equilibrium constant for the reaction A(g)+B(g) gives C(g) is (1)0.66 (2)0.066 (3)66 (4)6.6
45.

The major product obtained when N-methylaniine is treated with NaNO2 and HCl at 0 - 5 ∘C is:

Answer»

The major product obtained when N-methylaniine is treated with NaNO2 and HCl at 0 - 5 C is:


46.

Arrange the following alcohols in order of increasing ease of dehydration CH3CH2OH C6H5CH2OH I II Cl3CCH2OH F3CCH2OH ​ III IV

Answer»

Arrange the following alcohols in order of increasing ease of dehydration
CH3CH2OH C6H5CH2OH
I II

Cl3CCH2OH F3CCH2OH
​ III IV


47.

KMnO4 on treatment with concentrated H2SO4 forms a compound (X) which decomposes explosively on heating forming (Y) . Them (X) and (Y) respectively are: (1) Mn2O7 , MnO2 (2) Mn2O ,Mn2O3 (3) MnSO4 , Mn2O3 (4) Mn2O3 MnO2

Answer» KMnO4 on treatment with concentrated H2SO4 forms a compound (X) which decomposes explosively on heating forming (Y) . Them (X) and (Y) respectively are: (1) Mn2O7 , MnO2 (2) Mn2O ,Mn2O3 (3) MnSO4 , Mn2O3 (4) Mn2O3 MnO2
48.

Tell differences between thermosetting polymer, thermoplastic polymer, Elastomer and fibre. Tell the order of intermolecular forces between them.

Answer» Tell differences between thermosetting polymer, thermoplastic polymer, Elastomer and fibre.
Tell the order of intermolecular forces between them.
49.

What is the EnC of Mn 22 electron

Answer» What is the EnC of Mn 22 electron
50.

57. calculate bp of solution cntaining 25g urea & 25g thio urea in 500g of chloroform boiling point of pure chloroform is 61.2 degree celsius & Kb = 3.63

Answer» 57. calculate bp of solution cntaining 25g urea & 25g thio urea in 500g of chloroform boiling point of pure chloroform is 61.2 degree celsius & Kb = 3.63