46295 + Interview Questions in Chemistry

1.	how does ro system works
Answer» how does ro system works

Discussion

2.	Which contains both covalent and ionic bonds?
Answer» Which contains both covalent and ionic bonds?

Discussion

3.	iupac name CH3-CO-O-CH2-CH2-COOH
Answer» iupac name CH3-CO-O-CH2-CH2-COOH

Discussion

4.	For a binary system of ideal volatile liquids 1 and 2 , the following graph is obtained :Calulate the total pressure of the solution when mole fraction of component 1 in liquid phase is 0.4
Answer» For a binary system of ideal volatile liquids 1 and 2 , the following graph is obtained : Calulate the total pressure of the solution when mole fraction of component 1 in liquid phase is 0.4

Discussion

5.	Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound “A” which reacts instantly with Lucas reagent to give compound B, C10H13Cl. The compound B is:
Answer» Reaction of Grignard reagent, $C_{2} H_{5} M g B r$ with $C_{8} H_{8} O$ followed by hydrolysis gives compound “A” which reacts instantly with Lucas reagent to give compound B, $C_{10} H_{13} C l .$ The compound B is:

Discussion

6.	what is floride structure?
Answer» what is floride structure?

Discussion

7.	Frenkel defect is also Known as ................ (a) stoichiometric defect (b) dislocation defect (c) impurity defect (d) non-stoichiometric defect
Answer» Frenkel defect is also Known as ................ (a) stoichiometric defect (b) dislocation defect (c) impurity defect (d) non-stoichiometric defect

7.

Frenkel defect is also Known as ................ (a) stoichiometric defect (b) dislocation defect (c) impurity defect (d) non-stoichiometric defect

Answer»

Frenkel defect is also Known as ................

(a) stoichiometric defect (b) dislocation defect

(c) impurity defect (d) non-stoichiometric defect

Discussion

8.	Hair shampoos belong to which class of synthetic detergent?
Answer» Hair shampoos belong to which class of synthetic detergent?

Discussion

9.	What is the equivalent mass of Al2O3 in the following reaction? 4Al+3O2-----> 2Al2O3
Answer» What is the equivalent mass of Al2O3 in the following reaction? 4Al+3O2-----> 2Al2O3

Discussion

10.	42. Why atomic size of aluminium is large than that of gallium atomic size ?
Answer» 42. Why atomic size of aluminium is large than that of gallium atomic size ?

Discussion

11.	Calculate the mass of cl² required to produce 1385g of clO⁴?
Answer» Calculate the mass of cl² required to produce 1385g of clO⁴?

Discussion

12.	Which one of the following ethers on hydrolysis gives two different products that are successive members of homologous series?
Answer» Which one of the following ethers on hydrolysis gives two different products that are successive members of homologous series?

Discussion

13.	Choose the only correct statement from the following:
Answer» Choose the only correct statement from the following:

Discussion

14.	At high pressure the following reaction is zero order. 2NH3(g)1130K−−−−−−−−−−−→Platinium catalystN2(g)+3H2(g) Which of the following options are correct for this reaction? (a)Rate of reaction = Rate constant (b)Rate of the reaction depends on concentration of ammonia (c)Rate of decomposition of ammonia will remain constant until ammonia disappears completely (d)Further increase in pressure will change the rate of reaction
Answer» At high pressure the following reaction is zero order. $2 N H_{3} (g) 1130 K - ---------- \to P l a t i n i u m c a t a l y s t N_{2} (g) + 3 H_{2} (g)$ Which of the following options are correct for this reaction? (a)Rate of reaction = Rate constant (b)Rate of the reaction depends on concentration of ammonia (c)Rate of decomposition of ammonia will remain constant until ammonia disappears completely (d)Further increase in pressure will change the rate of reaction

Discussion

15.	What are s,p,and f?needed a clarity
Answer» What are s,p,and f?needed a clarity

Discussion

16.	Calculate the resonance energy of N2O from the following data: △fHo of N2O=82 kJ mol−1, N≡N, 946 kJ mol−1; N=N, 418 kJ mol−1; O=O, 498 kJ mol−1; N=O,607 kJ mol−1
Answer» Calculate the resonance energy of $N_{2} O$ from the following data: $△_{f} H^{o} o f N_{2} O = 82 k J m o l^{- 1},$ $N \equiv N, 946 k J m o l^{- 1}; N = N, 418 k J m o l^{- 1};$ $O = O, 498 k J m o l^{- 1}; N = O, 607 k J m o l^{- 1}$

Discussion

17.	4.How much will potential of hydrogen electrode change when its solution initially at ph=0 is neutralised to ph=7?
Answer» 4.How much will potential of hydrogen electrode change when its solution initially at ph=0 is neutralised to ph=7?

Discussion

18.	An ionizing solvent has
Answer» An ionizing solvent has

Discussion

19.	From the following reaction sequence: Cl2+2KOH→KCl+KClO+H2O 3KClO→2KCl+KClO3 4KClO3→3KClO4+KCl Calculate the mass of chlorine that reacts with an excess of KOH needed to produce 100 g of KClO4.
Answer» From the following reaction sequence: $C l_{2} + 2 K O H \to K C l + K C l O + H_{2} O$ $3 K C l O \to 2 K C l + K C l O_{3}$ $4 K C l O_{3} \to 3 K C l O_{4} + K C l$ Calculate the mass of chlorine that reacts with an excess of $K O H$ needed to produce $100 g$ of $K C l O_{4}$ .

Discussion

20.	How does Crystal field splitting energy depends on identity of metal . It was given that there is small increase in the crystal field spliiting along each series What is the reason behind this
Answer» How does Crystal field splitting energy depends on identity of metal . It was given that there is small increase in the crystal field spliiting along each series What is the reason behind this

Discussion

21.	89. Why phenol shows slow acidic character ?
Answer» 89. Why phenol shows slow acidic character ?

Discussion

22.	An exothermic reaction is represented by the graph :
Answer» An exothermic reaction is represented by the graph :

Discussion

23.	For a Carnot engine T1>T2 . When T2 is decreased by ΔT with T1 remaining same then efficiency is η1 and when T1 is increased by ΔT with T2 remaining same , efficiency is η2 which one of the following is the correct expression for η1 ,η2?
Answer» For a Carnot engine $T_{1} > T_{2}$ . When $T_{2}$ is decreased by $Δ T$ with $T_{1}$ remaining same then efficiency is $η_{1}$ and when $T_{1}$ is increased by $Δ T$ with $T_{2}$ remaining same , efficiency is $η_{2}$ which one of the following is the correct expression for $η_{1}$ , $η_{2}$ ?

Discussion

24.	Which of the following options has only amphoteric oxides?
Answer» Which of the following options has only amphoteric oxides?

Discussion

25.	conversion of cyclopropane to propene
Answer» conversion of cyclopropane to propene

Discussion

26.	Full explanation of Chemical bonding and molecular structure
Answer» Full explanation of Chemical bonding and molecular structure

Discussion

27.	Meaning of magnitude
Answer» Meaning of magnitude

Discussion

28.	Wt is integrated value of (I SHALL DENOTE INTEGRATION SYMBOL WITH 'S'):-(S 1/xdx)
Answer» Wt is integrated value of (I SHALL DENOTE INTEGRATION SYMBOL WITH 'S'): -(S 1/xdx)

Discussion

29.	what is condensation polymer
Answer» what is condensation polymer

Discussion

30.	34.Which of the following function represent a travelling wave? a. (x-vt) b. ln(x+vt) c. e^{-(x-vt)^2} d. None
Answer» 34.Which of the following function represent a travelling wave? a. (x-vt) b. ln(x+vt) c. e^{-(x-vt)^2} d. None

Discussion

31.	A. Explain the following with examples:(i) Atomic number(ii) Mass number(iii) Isotopes(iv) IsobarsB. Give any two uses of isotopes.
Answer» A. Explain the following with examples: (i) Atomic number (ii) Mass number (iii) Isotopes (iv) Isobars B. Give any two uses of isotopes.

Discussion

32.	is number of nodal planes in an orbital not equal to the total number of nodes in the orbital?
Answer» is number of nodal planes in an orbital not equal to the total number of nodes in the orbital?

Discussion

33.	If for the reaction, 2ICl→I2+Cl2; Kc=0.14 and initial concentration of ICL is 0.6 M then equilibrium concentration of I2 is
Answer» If for the reaction, $2 I C l \to I_{2} + C l_{2}; K_{c} = 0.14$ and initial concentration of $I C L$ is $0.6 M$ then equilibrium concentration of $I_{2}$ is

Discussion

34.	Temperature at A,B &F is T1 & at C,D & E is T2. T1 > T2 Identity the process B→C & E→F
Answer» Temperature at A,B &F is $T_{1}$ & at C,D & E is $T_{2}$ . $T_{1}$ > $T_{2}$ Identity the process $B \to C$ & $E \to F$

34.

Temperature at A,B &F is T1 & at C,D & E is T2. T1 > T2 Identity the process B→C & E→F

Answer»

Temperature at A,B &F is $T_{1}$ & at C,D & E is $T_{2}$ . $T_{1}$ > $T_{2}$ Identity the process $B \to C$ & $E \to F$

Discussion

35.	For the reaction A+ 3B 2C D, initial mole of A is twice that of B. If at equilibrium moles of B and Cane equal, then percent of B reacted isAz 28fnCHA(2) 20%0 10%(4) 60%litre vessel.
Answer» For the reaction A+ 3B 2C D, initial mole of A is twice that of B. If at equilibrium moles of B and Cane equal, then percent of B reacted isAz 28fnCHA(2) 20%0 10%(4) 60%litre vessel.

Discussion

36.	The distillation of phenol with zinc dust gives:
Answer» The distillation of phenol with zinc dust gives:

Discussion

37.	A given quantity of an ideal gas is at pressure P and absolute temperature T. The isothermal bulk modulus of the gas is
Answer» A given quantity of an ideal gas is at pressure $P$ and absolute temperature $T$ . The isothermal bulk modulus of the gas is

Discussion

38.	Which of the following pairs have identical shapes?
Answer» Which of the following pairs have identical shapes?

Discussion

39.	11. The number of radial nodes in 4s and 3p orbitals are respectively
Answer» 11. The number of radial nodes in 4s and 3p orbitals are respectively

Discussion

40.	The compound X in the reaction,
Answer» The compound X in the reaction,

Discussion

41.	Laws ofchemical combination can be explain on the basis of a.Gay Lussac Law b.Dalton atomic theory explai
Answer» Laws ofchemical combination can be explain on the basis of a.Gay Lussac Law b.Dalton atomic theory explai

Discussion

42.	For noble gases radius is measured as:
Answer» For noble gases radius is measured as:

Discussion

43.	A parallel beam of light of 500nm falls on a narrow slit and the resulting diffraction pattern is observed on a screen 1m away. It is observed that the first minimum is at a distance of 2.5mm from the centre of the screen. Calculate the width of the slit.
Answer» A parallel beam of light of $500 n m$ falls on a narrow slit and the resulting diffraction pattern is observed on a screen $1 m$ away. It is observed that the first minimum is at a distance of $2.5 m m$ from the centre of the screen. Calculate the width of the slit.

Discussion

44.	Dihydrogen gas used in Haber’s process is produced by reacting methane from natural gas with high temperature steam. The first stage of two stage reaction involves the formation of CO and H2. In second stage, CO formed in first stage is reacted with more steam in water gas shift reaction,If a reaction vessel at 400°C is charged with an equimolar mixture of CO and steam such that = 4.0 bar, what will be the partial pressure of H2 at equilibrium? Kp = 10.1 at 400°C
Answer» Dihydrogen gas used in Haber’s process is produced by reacting methane from natural gas with high temperature steam. The first stage of two stage reaction involves the formation of CO and H₂. In second stage, CO formed in first stage is reacted with more steam in water gas shift reaction, If a reaction vessel at 400°C is charged with an equimolar mixture of CO and steam such that = 4.0 bar, what will be the partial pressure of H₂ at equilibrium? K_p = 10.1 at 400°C

44.

Dihydrogen gas used in Haber’s process is produced by reacting methane from natural gas with high temperature steam. The first stage of two stage reaction involves the formation of CO and H2. In second stage, CO formed in first stage is reacted with more steam in water gas shift reaction,If a reaction vessel at 400°C is charged with an equimolar mixture of CO and steam such that = 4.0 bar, what will be the partial pressure of H2 at equilibrium? Kp = 10.1 at 400°C

Answer»

Dihydrogen gas used in Haber’s process is produced by reacting methane from natural gas with high temperature steam. The first stage of two stage reaction involves the formation of CO and H₂. In second stage, CO formed in first stage is reacted with more steam in water gas shift reaction,

If a reaction vessel at 400°C is charged with an equimolar mixture of CO and steam such that = 4.0 bar, what will be the partial pressure of H₂ at equilibrium? K_p = 10.1 at 400°C

Discussion

45.	The factors which are responsible for the stability of lyophilic sols are:
Answer» The factors which are responsible for the stability of lyophilic sols are:

Discussion

46.	How many cyclic isomers of molecular formula C7H13Br can form 1-methylcyclohexan-1-ol on reaction with H2O/acetone/Ag(+) (consider only structural isomers)?
Answer» How many cyclic isomers of molecular formula C7H13Br can form 1-methylcyclohexan-1-ol on reaction with H2O/acetone/Ag(+) (consider only structural isomers)?

Discussion

47.	The following are examples of a/an:
Answer» The following are examples of a/an:

Discussion

48.	CO(g) and H2(g) react to give different products in the presence of different catalysts. Which ability of the catalyst is shown by these reactions?
Answer» $C O (g)$ and $H_{2} (g)$ react to give different products in the presence of different catalysts. Which ability of the catalyst is shown by these reactions?

Discussion

49.	20 ml of 0.1 M acetic acid is mixed with 10 mL of sodium acetate. pKa of CH3COOH is 4.8, then the concentration of sodium acetate, if pH of the mixture is 4.8 is:
Answer» $20 ml of 0.1 M$ acetic acid is mixed with $10 mL$ of sodium acetate. ${pK}_{a} of C H_{3} C O O H$ is $4.8$ , then the concentration of sodium acetate, if pH of the mixture is $4.8$ is:

Discussion

50.	Write done the values of n and l in the given atom for indicated electrons.(a) 19th electron of Cr
Answer» Write done the values of n and l in the given atom for indicated electrons. (a) 19th electron of Cr

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

how does ro system works

Which contains both covalent and ionic bonds?

iupac name CH3-CO-O-CH2-CH2-COOH

For a binary system of ideal volatile liquids 1 and 2 , the following graph is obtained :Calulate the total pressure of the solution when mole fraction of component 1 in liquid phase is 0.4

Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound “A” which reacts instantly with Lucas reagent to give compound B, C10H13Cl. The compound B is:

what is floride structure?

Frenkel defect is also Known as ................ (a) stoichiometric defect (b) dislocation defect (c) impurity defect (d) non-stoichiometric defect

Hair shampoos belong to which class of synthetic detergent?

What is the equivalent mass of Al2O3 in the following reaction? 4Al+3O2-----> 2Al2O3

42. Why atomic size of aluminium is large than that of gallium atomic size ?

Calculate the mass of cl² required to produce 1385g of clO⁴?

Which one of the following ethers on hydrolysis gives two different products that are successive members of homologous series?

Choose the only correct statement from the following:

What are s,p,and f?needed a clarity

Calculate the resonance energy of N2O from the following data: △fHo of N2O=82 kJ mol−1, N≡N, 946 kJ mol−1; N=N, 418 kJ mol−1; O=O, 498 kJ mol−1; N=O,607 kJ mol−1

4.How much will potential of hydrogen electrode change when its solution initially at ph=0 is neutralised to ph=7?

An ionizing solvent has

From the following reaction sequence: Cl2+2KOH→KCl+KClO+H2O 3KClO→2KCl+KClO3 4KClO3→3KClO4+KCl Calculate the mass of chlorine that reacts with an excess of KOH needed to produce 100 g of KClO4.

How does Crystal field splitting energy depends on identity of metal . It was given that there is small increase in the crystal field spliiting along each series What is the reason behind this

89. Why phenol shows slow acidic character ?

An exothermic reaction is represented by the graph :

For a Carnot engine T1&gt;T2 . When T2 is decreased by ΔT with T1 remaining same then efficiency is η1 and when T1 is increased by ΔT with T2 remaining same , efficiency is η2 which one of the following is the correct expression for η1 ,η2?

Which of the following options has only amphoteric oxides?

conversion of cyclopropane to propene

Full explanation of ​​​​​​Chemical bonding and molecular structure

Meaning of magnitude

Wt is integrated value of (I SHALL DENOTE INTEGRATION SYMBOL WITH 'S'):-(S 1/xdx)

what is condensation polymer

34.Which of the following function represent a travelling wave? a. (x-vt) b. ln(x+vt) c. e^{-(x-vt)^2} d. None

A. Explain the following with examples:(i) Atomic number(ii) Mass number(iii) Isotopes(iv) IsobarsB. Give any two uses of isotopes.

is number of nodal planes in an orbital not equal to the total number of nodes in the orbital?

If for the reaction, 2ICl→I2+Cl2; Kc=0.14 and initial concentration of ICL is 0.6 M then equilibrium concentration of I2 is

Temperature at A,B &amp;F is T1 &amp; at C,D &amp; E is T2. T1 &gt; T2 Identity the process B→C &amp; E→F

For the reaction A+ 3B 2C D, initial mole of A is twice that of B. If at equilibrium moles of B and Cane equal, then percent of B reacted isAz 28fnCHA(2) 20%0 10%(4) 60%litre vessel.

The distillation of phenol with zinc dust gives:

A given quantity of an ideal gas is at pressure P and absolute temperature T. The isothermal bulk modulus of the gas is

Which of the following pairs have identical shapes?

11. The number of radial nodes in 4s and 3p orbitals are respectively

The compound X in the reaction,

Laws ofchemical combination can be explain on the basis of a.Gay Lussac Law b.Dalton atomic theory explai

For noble gases radius is measured as:

A parallel beam of light of 500nm falls on a narrow slit and the resulting diffraction pattern is observed on a screen 1m away. It is observed that the first minimum is at a distance of 2.5mm from the centre of the screen. Calculate the width of the slit.

The factors which are responsible for the stability of lyophilic sols are:

How many cyclic isomers of molecular formula C7H13Br can form 1-methylcyclohexan-1-ol on reaction with H2O/acetone/Ag(+) (consider only structural isomers)?

The following are examples of a/an:

CO(g) and H2(g) react to give different products in the presence of different catalysts. Which ability of the catalyst is shown by these reactions?

20 ml of 0.1 M acetic acid is mixed with 10 mL of sodium acetate. pKa of CH3COOH is 4.8, then the concentration of sodium acetate, if pH of the mixture is 4.8 is:

Write done the values of n and l in the given atom for indicated electrons.(a) 19th electron of Cr

For a Carnot engine T1>T2 . When T2 is decreased by ΔT with T1 remaining same then efficiency is η1 and when T1 is increased by ΔT with T2 remaining same , efficiency is η2 which one of the following is the correct expression for η1 ,η2?

Full explanation of Chemical bonding and molecular structure

Temperature at A,B &F is T1 & at C,D & E is T2. T1 > T2 Identity the process B→C & E→F