46295 + Interview Questions in Chemistry

1.	Why blood and milk are not considered as solutions ?
Answer» Why blood and milk are not considered as solutions ?

Discussion

2.	How much percent there is vacant space in BCC lattice.
Answer» How much percent there is vacant space in BCC lattice.

Discussion

3.	1. What is principal quantum number
Answer» 1. What is principal quantum number

Discussion

4.	Which of the following reactions will give a 2o amine?
Answer» Which of the following reactions will give a $2^{o}$ amine?

Discussion

5.	the zinc blended structure the coordination number of Zn+2 ion is
Answer» the zinc blended structure the coordination number of Zn+2 ion is

Discussion

6.	56. Mass of No2 that can be produced by heating 5kg of NaNo3 which is 75% pure is ?
Answer» 56. Mass of No2 that can be produced by heating 5kg of NaNo3 which is 75% pure is ?

Discussion

7.	what would be the effective number of atoms per unit cell in end centred cubic unit cell if this type of unit cell exist in nature
Answer» what would be the effective number of atoms per unit cell in end centred cubic unit cell if this type of unit cell exist in nature

Discussion

8.	the enthalpy change for the reaction of 50ml of ethylene with 50ml of H2 at 1.5atm pressure is -0.31kJ. the value of change in internal energy will be ?
Answer» the enthalpy change for the reaction of 50ml of ethylene with 50ml of H2 at 1.5atm pressure is -0.31kJ. the value of change in internal energy will be ?

Discussion

9.	hybridisation of carbon in ch2=ch-ch2 is
Answer» hybridisation of carbon in ch2=ch-ch2 is

Discussion

10.	When sodium gives one electron to chlorine then which ion will sodium has positive or negative ion?
Answer» When sodium gives one electron to chlorine then which ion will sodium has positive or negative ion?

Discussion

11.	Oxidation number of cobalt in K[Co(Co)4] is
Answer» Oxidation number of cobalt in $K [C o (C o)_{4}]$ is

Discussion

12.	Classify each of the following solid as ionic, metallic, molecular, network (covalent) or amorphous. Tetraphosphorus decoxide (P4O10) Ammonium phosphate, (NH4)3PO4 SiC I2 P4 Plastic Graphite Brass Rb LiBr Si
Answer» Classify each of the following solid as ionic, metallic, molecular, network (covalent) or amorphous. Tetraphosphorus decoxide $(P_{4} O_{10})$ Ammonium phosphate, $(N H_{4})_{3} P O_{4}$ SiC $I_{2}$ $P_{4}$ Plastic Graphite Brass Rb LiBr Si

12.

Classify each of the following solid as ionic, metallic, molecular, network (covalent) or amorphous. Tetraphosphorus decoxide (P4O10) Ammonium phosphate, (NH4)3PO4 SiC I2 P4 Plastic Graphite Brass Rb LiBr Si

Answer»

Classify each of the following solid as ionic, metallic, molecular, network (covalent) or amorphous.

Tetraphosphorus decoxide $(P_{4} O_{10})$

Ammonium phosphate, $(N H_{4})_{3} P O_{4}$

SiC

$I_{2}$

$P_{4}$

Plastic

Graphite

Brass

Rb

LiBr

Si

Discussion

13.	40.which of the given metal Ion formed high tendency to Complex with co Sc+3 Ti+3 Mn+2 Fe+2
Answer» 40.which of the given metal Ion formed high tendency to Complex with co Sc+3 Ti+3 Mn+2 Fe+2

Discussion

14.	when 2 moles of an ideal gas is given with 110 calories of heat it performs 90 calories of work at constant pressure and temperature increases by 1C . the degree of freedom of given gas is
Answer» when 2 moles of an ideal gas is given with 110 calories of heat it performs 90 calories of work at constant pressure and temperature increases by 1C . the degree of freedom of given gas is

Discussion

15.	How H3Po3 have basicity =2
Answer» How H3Po3 have basicity =2

Discussion

16.	Ionic radii of :
Answer» Ionic radii of :

Discussion

17.	what is redutcion alkenes and clemmension reduction?
Answer» what is redutcion alkenes and clemmension reduction?

Discussion

18.	Benzaldehyde reacts with ammonia to give
Answer» Benzaldehyde reacts with ammonia to give

Discussion

19.	What will be the normality of a solution obtained by mixing 0.45 N and 0.60 N NaOH in the ratio 2:1 by volume?(a) 0.4 N(b) 0.5 N(c) 1.05 N(d) 0.15 N
Answer» What will be the normality of a solution obtained by mixing 0.45 N and 0.60 N NaOH in the ratio 2:1 by volume? (a) 0.4 N (b) 0.5 N (c) 1.05 N (d) 0.15 N

Discussion

20.	An evacuated glass vessel weighs 50.0 g when it is empty and 148.0 g when it is filled with a liquid having a density of 0.98 g/mL−1 and 50.5 g when it is filled with an ideal gas at 760 mm Hg and 300 K. Determine the molecular weight of the gas (round off to the nearest possible integer).
Answer» An evacuated glass vessel weighs $50.0 g$ when it is empty and $148.0 g$ when it is filled with a liquid having a density of $0.98 {g/mL}^{- 1}$ and $50.5 g$ when it is filled with an ideal gas at $760 mm H g$ and $300 K$ . Determine the molecular weight of the gas (round off to the nearest possible integer).

Discussion

21.	which of these will give effervescence with NAHCO3aq a) acid b) acid halide c)ester d)acid amide
Answer» which of these will give effervescence with NAHCO3aq a) acid b) acid halide c)ester d)acid amide

Discussion

22.	On hydrolysis, diborane produces?
Answer» On hydrolysis, diborane produces?

Discussion

23.	3 kinematics equations?
Answer» 3 kinematics equations?

Discussion

24.	What is lattice energy?
Answer» What is lattice energy?

Discussion

25.	The ionisation isomer of [Cr(H2O)4Cl(NO2)]Cl is:
Answer» The ionisation isomer of $[C r (H_{2} O)_{4} C l (N O_{2})] C l$ is:

Discussion

26.	8. The partial pressure of hydrogen incontaining 2 g H, and 32 g 50, isFask(1)1/16th of toal pressure1/9th of total pressure(2)(3) 2/3rd of total pressure1/8th of total pressure(4)
Answer» 8. The partial pressure of hydrogen incontaining 2 g H, and 32 g 50, isFask(1)1/16th of toal pressure1/9th of total pressure(2)(3) 2/3rd of total pressure1/8th of total pressure(4)

Discussion

27.	In arrhenius equation for a certain reaction, the value of A and Ea (activation energy) are 4×1013 s-1 and 98.6 kJ mol-1 respectively. If the reaction is of first order, then at what temperature will its half life period be 10 minutes?
Answer» In arrhenius equation for a certain reaction, the value of A and E_a(activation energy) are 4×10¹³ s^-1and 98.6 kJ mol^-1respectively. If the reaction is of first order, then at what temperature will its half life period be 10 minutes?

Discussion

28.	Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as A. 2.6 B.2.655 C.2.65 D. N.O.These Correct option given 2.655 sir How this option is chosen to be correct I(IIT 2005)
Answer» Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as A. 2.6 B.2.655 C.2.65 D. N.O.These Correct option given 2.655 sir How this option is chosen to be correct I(IIT 2005)

28.

Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as A. 2.6 B.2.655 C.2.65 D. N.O.These Correct option given 2.655 sir How this option is chosen to be correct I(IIT 2005)

Answer»

Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as

A. 2.6

B.2.655

C.2.65

D. N.O.These

Correct option given 2.655

sir How this option is chosen to be correct

I(IIT 2005)

Discussion

29.	What is isotope?
Answer» What is isotope?

Discussion

30.	(R3N+ --singlebond----CH--doublebond---CH2 ) + HBr what is predominant product
Answer» (R3N+ --singlebond----CH--doublebond---CH2 ) + HBr what is predominant product

Discussion

31.	If 1 Faraday were to be 60230 coulombs instead of 96500 coulombs, what will be the charge of an electron?(1 Faraday= total charge on the collection of 1 mole of electrons)
Answer» If 1 Faraday were to be 60230 coulombs instead of 96500 coulombs, what will be the charge of an electron? (1 Faraday= total charge on the collection of 1 mole of electrons)

Discussion

32.	What is angular momentum
Answer» What is angular momentum

Discussion

33.	1 coulomb is how many franklin? 1 coulomb is how many e.s.u?
Answer» 1 coulomb is how many franklin? 1 coulomb is how many e.s.u?

Discussion

34.	If the temperature of the body is increases from 27°C to 327°C then wavelength becomes 1)double 2)half 3)remains same 4)triples
Answer» If the temperature of the body is increases from 27°C to 327°C then wavelength becomes 1)double 2)half 3)remains same 4)triples

Discussion

35.	Thedepression in freezing point of water observed for the same amount ofacetic acid, trichloroacetic acid and trifluoroacetic acid increasesin the order given above. Explain briefly.
Answer» The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid and trifluoroacetic acid increases in the order given above. Explain briefly.

Discussion

36.	8. One mole of any substance contains 6.022 1025atoms/molecules. Number of molecules ofH2SO4 present in 100 mL of 0.02M H2SO4(a) 12.044 x 1020 molecules(b) 6.022 x 1023 molecules(c) 1 x 1023 molecules(d) 12-044 x 1023 molecules.
Answer» 8. One mole of any substance contains 6.022 1025atoms/molecules. Number of molecules ofH2SO4 present in 100 mL of 0.02M H2SO4(a) 12.044 x 1020 molecules(b) 6.022 x 1023 molecules(c) 1 x 1023 molecules(d) 12-044 x 1023 molecules.

Discussion

37.	The volume strength of 1 N H2O2 solution is:
Answer» The volume strength of $1 N H_{2} O_{2}$ solution is:

Discussion

38.	if z1=3+i and z2=-3+i ,then find re{z1z2/z1 bar
Answer» if z1=3+i and z2=-3+i ,then find re{z1z2/z1 bar

Discussion

39.	52 The standard electrode for the reaction is -0.57V. What is the potential at pH =12?
Answer» 52 The standard electrode for the reaction is -0.57V. What is the potential at pH =12?

Discussion

40.	26. How to find bond order of any element ?(step by step) What is the bond order of O2(-) , O2(+) ,O2(2-) ?
Answer» 26. How to find bond order of any element ?(step by step) What is the bond order of O2(-) , O2(+) ,O2(2-) ?

Discussion

41.	Jahn-Teller effect is observed inOptions:d8 (High spin complex)d8 (Low spin complex)d9 (High spin complex)d6 (Low spin complex)
Answer» Jahn-Teller effect is observed in Options: d8 (High spin complex) d8 (Low spin complex) d9 (High spin complex) d6 (Low spin complex)

Discussion

42.	Which of the following reactions produce(s) propane as a major product?
Answer» Which of the following reactions produce(s) propane as a major product?

Discussion

43.	Maximum no. Of electrons in cu havinh m less than or equal to 1
Answer» Maximum no. Of electrons in cu havinh m less than or equal to 1

Discussion

44.	Calculate amount of 50% H2SO4 required to decompose 25 g of marble
Answer» Calculate amount of 50% H2SO4 required to decompose 25 g of marble

Discussion

45.	46.Mg2C + H2O on heating. Which gas will be produced? Give me reaction
Answer» 46.Mg2C + H2O on heating. Which gas will be produced? Give me reaction

Discussion

46.	The total pressure of a mixture of 6.4 grams of oxygen and 5.6 grams of nitrogen present in a 2 lit vessel is 1200mm. What is the partial pressure of nitrogen in mm?
Answer» The total pressure of a mixture of 6.4 grams of oxygen and 5.6 grams of nitrogen present in a 2 lit vessel is 1200mm. What is the partial pressure of nitrogen in mm?

Discussion

47.	Which of the following depict a π-bond?
Answer» Which of the following depict a $π$ -bond?

Discussion

48.	47. Explain primary and secondary valency in coordination compound
Answer» 47. Explain primary and secondary valency in coordination compound

Discussion

49.	equilibrium is defined as the point at which conc. of reactants and products remains constant.in physics, when a quantity on the x axis varies non- uniformly with that on the y-axis, we assume it to be constant over a small change in y (dy), and integrate to solve.why can the same method not be extended to conc . of reactants and products, and rate of reaction , and every point be called the equilibrium point?
Answer» equilibrium is defined as the point at which conc. of reactants and products remains constant. in physics, when a quantity on the x axis varies non- uniformly with that on the y-axis, we assume it to be constant over a small change in y (dy), and integrate to solve. why can the same method not be extended to conc . of reactants and products, and rate of reaction , and every point be called the equilibrium point?

Discussion

50.	In a gas turbine, hot combustion products with the specific heats cp=0.98kJ/kgK and cv=0.7538kJ/kgK enters the turnine at 20bar, 1500K and exists are 1bar. The isentropic efficiency of hte turbine is 0.9. The work developed by the truine per kg of gas flow is
Answer» In a gas turbine, hot combustion products with the specific heats $c_{p} = 0.98 k J / k g K$ and $c_{v} = 0.7538 k J / k g K$ enters the turnine at $20 b a r$ , $1500 K$ and exists are $1 b a r$ . The isentropic efficiency of hte turbine is $0.9$ . The work developed by the truine per $k g$ of gas flow is

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Why blood and milk are not considered as solutions ?

How much percent there is vacant space in BCC lattice.

1. What is principal quantum number

Which of the following reactions will give a 2o amine?

the zinc blended structure the coordination number of Zn+2 ion is

56. Mass of No2 that can be produced by heating 5kg of NaNo3 which is 75% pure is ?

what would be the effective number of atoms per unit cell in end centred cubic unit cell if this type of unit cell exist in nature

the enthalpy change for the reaction of 50ml of ethylene with 50ml of H2 at 1.5atm pressure is -0.31kJ. the value of change in internal energy will be ?

hybridisation of carbon in ch2=ch-ch2 is

When sodium gives one electron to chlorine then which ion will sodium has positive or negative ion?

Oxidation number of cobalt in K[Co(Co)4] is

Classify each of the following solid as ionic, metallic, molecular, network (covalent) or amorphous. Tetraphosphorus decoxide (P4O10) Ammonium phosphate, (NH4)3PO4 SiC I2 P4 Plastic Graphite Brass Rb LiBr Si

40.which of the given metal Ion formed high tendency to Complex with co Sc+3 Ti+3 Mn+2 Fe+2

when 2 moles of an ideal gas is given with 110 calories of heat it performs 90 calories of work at constant pressure and temperature increases by 1C . the degree of freedom of given gas is

How H3Po3 have basicity =2

Ionic radii of :

what is redutcion alkenes and clemmension reduction?

Benzaldehyde reacts with ammonia to give

What will be the normality of a solution obtained by mixing 0.45 N and 0.60 N NaOH in the ratio 2:1 by volume?(a) 0.4 N(b) 0.5 N(c) 1.05 N(d) 0.15 N

An evacuated glass vessel weighs 50.0 g when it is empty and 148.0 g when it is filled with a liquid having a density of 0.98 g/mL−1 and 50.5 g when it is filled with an ideal gas at 760 mm Hg and 300 K. Determine the molecular weight of the gas (round off to the nearest possible integer).

which of these will give effervescence with NAHCO3aq a) acid b) acid halide c)ester d)acid amide

On hydrolysis, diborane produces?

3 kinematics equations?

What is lattice energy?

The ionisation isomer of [Cr(H2O)4Cl(NO2)]Cl is:

8. The partial pressure of hydrogen incontaining 2 g H, and 32 g 50, isFask(1)1/16th of toal pressure1/9th of total pressure(2)(3) 2/3rd of total pressure1/8th of total pressure(4)

In arrhenius equation for a certain reaction, the value of A and Ea (activation energy) are 4×1013 s-1 and 98.6 kJ mol-1 respectively. If the reaction is of first order, then at what temperature will its half life period be 10 minutes?

Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as A. 2.6 B.2.655 C.2.65 D. N.O.These Correct option given 2.655 ​​​​sir How this option is chosen to be correct I​​​​(IIT 2005)

What is isotope?

(R3N+ --singlebond----CH--doublebond---CH2 ) + HBr what is predominant product

If 1 Faraday were to be 60230 coulombs instead of 96500 coulombs, what will be the charge of an electron?(1 Faraday= total charge on the collection of 1 mole of electrons)

What is angular momentum

1 coulomb is how many franklin? 1 coulomb is how many e.s.u?

If the temperature of the body is increases from 27°C to 327°C then wavelength becomes 1)double 2)half 3)remains same 4)triples

Thedepression in freezing point of water observed for the same amount ofacetic acid, trichloroacetic acid and trifluoroacetic acid increasesin the order given above. Explain briefly.

8. One mole of any substance contains 6.022 1025atoms/molecules. Number of molecules ofH2SO4 present in 100 mL of 0.02M H2SO4(a) 12.044 x 1020 molecules(b) 6.022 x 1023 molecules(c) 1 x 1023 molecules(d) 12-044 x 1023 molecules.

The volume strength of 1 N H2O2 solution is:

if z1=3+i and z2=-3+i ,then find re{z1z2/z1 bar

52 The standard electrode for the reaction is -0.57V. What is the potential at pH =12?

26. How to find bond order of any element ?(step by step) What is the bond order of O2(-) , O2(+) ,O2(2-) ?

Jahn-Teller effect is observed inOptions:d8 (High spin complex)d8 (Low spin complex)d9 (High spin complex)d6 (Low spin complex)

Which of the following reactions produce(s) propane as a major product?

Maximum no. Of electrons in cu havinh m less than or equal to 1

Calculate amount of 50% H2SO4 required to decompose 25 g of marble

46.Mg2C + H2O on heating. Which gas will be produced? Give me reaction

The total pressure of a mixture of 6.4 grams of oxygen and 5.6 grams of nitrogen present in a 2 lit vessel is 1200mm. What is the partial pressure of nitrogen in mm?

Which of the following depict a π-bond?

47. Explain primary and secondary valency in coordination compound

In a gas turbine, hot combustion products with the specific heats cp=0.98kJ/kgK and cv=0.7538kJ/kgK enters the turnine at 20bar, 1500K and exists are 1bar. The isentropic efficiency of hte turbine is 0.9. The work developed by the truine per kg of gas flow is

Sir if the correct answer is 2.66 of a question upto 3 significant figures. And options for answer are given as A. 2.6 B.2.655 C.2.65 D. N.O.These Correct option given 2.655 sir How this option is chosen to be correct I(IIT 2005)