46295 + Interview Questions in Chemistry

1.	Accordung to crystal Field theory , If splitting energy is higher than the pairing energy (∆s >∆p) in an octahedral complex Then will the electrons pair up or will they not? I am confused because In the video, it was said that they'll pair up if ∆p>∆s And in my book, it's written that they'll pair up if ∆s>∆p
Answer» Accordung to crystal Field theory , If splitting energy is higher than the pairing energy (∆s >∆p) in an octahedral complex Then will the electrons pair up or will they not? I am confused because In the video, it was said that they'll pair up if ∆p>∆s And in my book, it's written that they'll pair up if ∆s>∆p

1.

Accordung to crystal Field theory , If splitting energy is higher than the pairing energy (∆s >∆p) in an octahedral complex Then will the electrons pair up or will they not? I am confused because In the video, it was said that they'll pair up if ∆p>∆s And in my book, it's written that they'll pair up if ∆s>∆p

Answer»

Accordung to crystal Field theory ,

If splitting energy is higher than the pairing energy (∆s >∆p) in an octahedral complex

Then will the electrons pair up or will they not?

I am confused because

In the video, it was said that they'll pair up if ∆p>∆s

And in my book, it's written that they'll pair up if ∆s>∆p

Discussion

2.	Which of the following is true about gaseous state
Answer» Which of the following is true about gaseous state

Discussion

3.	In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) Cl− ions form fcc lattice and Na+ ions occupy all octahedral voids of the unit cell (b) Ca2+ ions form fcc lattice and F− ions occupy all the eight tetrahedral voids of the unit cell (c) O2− ions form fcc lattice and Na+ ions occupy all the eight tetrahedral voids of (d) S2− ions form fcc lattice and Zn2+ ions go into alternate tetrahedral voids of the unit cell
Answer» In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) $C l^{-}$ ions form fcc lattice and $N a^{+}$ ions occupy all octahedral voids of the unit cell (b) $C a^{2 +}$ ions form fcc lattice and $F^{-}$ ions occupy all the eight tetrahedral voids of the unit cell (c) $O^{2 -}$ ions form fcc lattice and $N a^{+}$ ions occupy all the eight tetrahedral voids of (d) $S^{2 -}$ ions form fcc lattice and $Z n^{2 +}$ ions go into alternate tetrahedral voids of the unit cell

3.

In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) Cl− ions form fcc lattice and Na+ ions occupy all octahedral voids of the unit cell (b) Ca2+ ions form fcc lattice and F− ions occupy all the eight tetrahedral voids of the unit cell (c) O2− ions form fcc lattice and Na+ ions occupy all the eight tetrahedral voids of (d) S2− ions form fcc lattice and Zn2+ ions go into alternate tetrahedral voids of the unit cell

Answer»

In which of the following structures coordination number for cations and anions in the packed structure will be same ?

(a) $C l^{-}$ ions form fcc lattice and $N a^{+}$ ions occupy all octahedral voids of the unit cell

(b) $C a^{2 +}$ ions form fcc lattice and $F^{-}$ ions occupy all the eight tetrahedral voids of the unit cell

(c) $O^{2 -}$ ions form fcc lattice and $N a^{+}$ ions occupy all the eight tetrahedral voids of

(d) $S^{2 -}$ ions form fcc lattice and $Z n^{2 +}$ ions go into alternate tetrahedral voids of the unit cell

Discussion

4.	Which of the following statements are correct about Friedel-crafts reaction?
Answer» Which of the following statements are correct about Friedel-crafts reaction?

Discussion

5.	Write chemical reactions to show the atmospheric nature of water.
Answer» Write chemical reactions to show the atmospheric nature of water.

Discussion

6.	For an isolated system, Δ U=0, what will be Δ S?
Answer» For an isolated system, $Δ U = 0$ , what will be $Δ S$ ?

Discussion

7.	Aqueous solution of sodium thiosulphate turns milky white on acidification because of
Answer» Aqueous solution of sodium thiosulphate turns milky white on acidification because of

Discussion

8.	The volume of water to be added to 100 cm3 of 0.5N H2SO4 to get decinormal concentration is
Answer» The volume of water to be added to $100 c m^{3}$ of $0.5 N H_{2} S O_{4}$ to get decinormal concentration is

Discussion

9.	A nucleus at rest splits into two nuclear parts having radii in the ratio 1: 2. Their velocities are in the ratio:
Answer» A nucleus at rest splits into two nuclear parts having radii in the ratio 1: 2. Their velocities are in the ratio:

Discussion

10.	d(ΔG)=−(ΔSreaction).dT ΔG=ΔH−TΔS ΔG=ΔH+T(d(ΔG)dT)P At 300 K,ΔH for the reaction, Zn(S)+2AgCl(S)→ZnCl2(aq)+2Ag(S) is −218 kJ/mol while the e.m.f of the cell is 1.015 V. (dEdT)P of the cell is:
Answer» $d (Δ G) = - (Δ S_{reaction}) . d T$ $Δ G = Δ H - T Δ S$ $Δ G = Δ H + T {(\frac{d (Δ G)}{d T})}_{P}$ At $300 K, Δ H$ for the reaction, $Z n_{(S)} + 2 A g C l_{(S)} \to Z n C l_{2_{(a q)}} + 2 A g_{(S)}$ is $- 218 kJ/mol$ while the e.m.f of the cell is $1.015 V$ . ${(\frac{d E}{d T})}_{P}$ of the cell is:

Discussion

11.	Sodium and oxygen combine to form two compounds of which one is Na2O. The percentage of sodium in the other compound is 59%. Calculate the molecular weight (u) of the compound.
Answer» Sodium and oxygen combine to form two compounds of which one is $N a_{2} O$ . The percentage of sodium in the other compound is 59%. Calculate the molecular weight (u) of the compound.

Discussion

12.	A metal coin is at the bottom of a beaker filled with a liquid to a height of 6 cm. The R.I. of the liquid is 4/3. To an observer looking from above the surface of the liquid, the coin will appear raised up by
Answer» A metal coin is at the bottom of a beaker filled with a liquid to a height of 6 cm. The R.I. of the liquid is 4/3. To an observer looking from above the surface of the liquid, the coin will appear raised up by

Discussion

13.	The compressibility factors for 1 mole of real gases at low pressure, high pressure and that of gases of very low molar masses are Z1,Z2 and Z3. These are
Answer» The compressibility factors for 1 mole of real gases at low pressure, high pressure and that of gases of very low molar masses are $Z_{1}, Z_{2}$ and $Z_{3}$ . These are

Discussion

14.	Two particles move at right angles to each other. Their de-Broglie wavelengths are λ1 and λ2 respectively. The particles suffer perfectly inelastic collision. The de-Broglie wavelength λ, of the final particle, is given by
Answer» Two particles move at right angles to each other. Their de-Broglie wavelengths are $λ_{1}$ and $λ_{2}$ respectively. The particles suffer perfectly inelastic collision. The de-Broglie wavelength $λ$ , of the final particle, is given by

Discussion

15.	Which of the following molecules can possess a diad system of tautomerism
Answer» Which of the following molecules can possess a diad system of tautomerism

Discussion

16.	The Ksp of Ag2CrO4 is 1.1×10−12 at 298K. The solubility (in mol/L) of Ag2CrO4 in 0.1M AgNO3 solution is:
Answer» The $K_{s p}$ of $A g_{2} C r O_{4}$ is $1.1 \times 10^{- 12}$ at 298K. The solubility (in mol/L) of $A g_{2} C r O_{4}$ in 0.1M $A g N O_{3}$ solution is:

Discussion

17.	In which of the following coordination entities, the magnitude of Δ∘ [CFSE in octahedral field] will be maximum?
Answer» In which of the following coordination entities, the magnitude of $Δ_{\circ}$ [CFSE in octahedral field] will be maximum?

Discussion

18.	Out of [CoF6]3− and [Co(en)3]3+, which one complex is: (i) paramagnetic (ii) more stable (iii) inner orbital complex and (iv) high spin complex (Atomic no. of Co = 27)
Answer» Out of $[C o F_{6}]^{3 -}$ and $[C o (e n)_{3}]^{3 +}$ , which one complex is: (i) paramagnetic (ii) more stable (iii) inner orbital complex and (iv) high spin complex (Atomic no. of Co = 27)

Discussion

19.	Which among the following is the right representation for carbon with its atomic and mass number?
Answer» Which among the following is the right representation for carbon with its atomic and mass number?

Discussion

20.	Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O The correct statement/s about borax is/are: a. Each boron atom has four B-O bonds b. Each boron atom has three B-O bonds c. Two boron atoms have four B-O bonds while other two have three B-O bonds d. Each boron atom has one -OH groups
Answer» Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O The correct statement/s about borax is/are: a. Each boron atom has four B-O bonds b. Each boron atom has three B-O bonds c. Two boron atoms have four B-O bonds while other two have three B-O bonds d. Each boron atom has one -OH groups

20.

Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O The correct statement/s about borax is/are: a. Each boron atom has four B-O bonds b. Each boron atom has three B-O bonds c. Two boron atoms have four B-O bonds while other two have three B-O bonds d. Each boron atom has one -OH groups

Answer»

Borax is actually made of two tetrahedra and two triangular units joined together and should be written as: Na2[B4O5(OH)4]·8H2O

The correct statement/s about borax is/are:

a. Each boron atom has four B-O bonds

b. Each boron atom has three B-O bonds

c. Two boron atoms have four B-O bonds while other two have three B-O bonds

d. Each boron atom has one -OH groups

Discussion

21.	Atomic mass of an element is 36, what will be the mass of an unit cell if it crystallizes as face centered cubic unit cell?
Answer» Atomic mass of an element is 36, what will be the mass of an unit cell if it crystallizes as face centered cubic unit cell?

Discussion

22.	Standard enthalpy of combustion of CH4 is −890 kJ mol−1 and standard enthalpy of vaporisation of water is 40.5 kJ mol−1. Calculate the enthalpy change for the reaction : CH4(g)+2O2(g)→CO2(g)+2H2O(g)
Answer» Standard enthalpy of combustion of $C H_{4}$ is $- 890 k J m o l^{- 1}$ and standard enthalpy of vaporisation of water is 40.5 kJ $m o l^{- 1}$ . Calculate the enthalpy change for the reaction : $C H_{4 (g)} + 2 O_{2 (g)} \to C O_{2 (g)} + 2 H_{2} O_{(g)}$

Discussion

23.	Work done by 0.1 mole of a gas at 27∘C to double its volume at constant pressure is (R=2calmol−1C−1)
Answer» Work done by 0.1 mole of a gas at $27^{\circ} C$ to double its volume at constant pressure is ( $R = 2 c a l m o l^{- 1} C^{- 1}$ )

Discussion

24.	Find the total number of electrons present in 20 millimoles of K2SO4.
Answer» Find the total number of electrons present in 20 millimoles of $K_{2} S O_{4} .$

Discussion

25.	How much energy is needed to raise the temperature of 5 g of ice from −20 oC to 35 oC? (Sice=0.5 cal/g,Lf=80 cal/g,Swater=1 cal/g)
Answer» How much energy is needed to raise the temperature of $5 g$ of ice from $- 20^{o} C t o 35^{o} C$ ? $(S_{i c e} = 0.5 c a l / g, L_{f} = 80 c a l / g, S_{w a t e r} = 1 c a l / g)$

Discussion

26.	A radioactive element has an atomic mass of 69.3 amu and a half-life of 120400 seconds. The specific activity of the element is y×1015 . What is the value of y?
Answer» A radioactive element has an atomic mass of 69.3 amu and a half-life of 120400 seconds. The specific activity of the element is $y \times 10^{15}$ . What is the value of y?

Discussion

27.	Condition for maximum yield of C2H5Cl is
Answer» Condition for maximum yield of $C_{2} H_{5} C l$ is

Discussion

28.	Benzamide on treatment with POCl3 gives
Answer» Benzamide on treatment with $P O C l_{3}$ gives

Discussion

29.	List-IList-II (Titrant required)(I)K2C2O4.NaHC2O4(P)NaOH 200 mL 1 M(0.2 mole)(II)2K2C2O4.H2C2O4(Q)Ca(OH)2 50 mL 2 M(0.1 mole)(III)H2C2O4.2NaHC2O4(R)KMnO4(Acidic medium)(0.05 mole)0.2M, 800 mL(S)KMnO4(Acidic medium)0.2M, 300 mL(T)Ca(OH)2 500 mL 2 M(U)NaOH 1000 mL 1 M Which of the following options has the correct combination considering List-I and List-II.
Answer» $\begin{matrix} List-I & List-II (Titrant required) (I) & K_{2} C_{2} O_{4} . N a H C_{2} O_{4} & (P) & N a O H 200 m L 1 M (0.2 mole) (I I) & 2 K_{2} C_{2} O_{4} . H_{2} C_{2} O_{4} & (Q) & C a (O H)_{2} 50 m L 2 M (0.1 mole) (I I I) & H_{2} C_{2} O_{4} . 2 N a H C_{2} O_{4} & (R) & K M n O_{4} (Acidic medium) (0.05 mole) & 0.2 M, 800 m L (S) & K M n O_{4} (Acidic medium) 0.2 M, 300 m L (T) & C a (O H)_{2} 500 m L 2 M (U) & N a O H 1000 m L 1 M \end{matrix}$ Which of the following options has the correct combination considering List-I and List-II.

Discussion

30.	A solid crystal is composed of X, Y and Z atoms. Z atoms (radius 200 pm) form cubic closed packed structure where as X (radius 50 pm) and Y (radius 100 pm) occupy respective voids. Assume all the voids are occupied. If all the atoms along one body diagonal are removed, then the formula of the compound becomes:
Answer» A solid crystal is composed of X, Y and Z atoms. Z atoms (radius 200 pm) form cubic closed packed structure where as X (radius 50 pm) and Y (radius 100 pm) occupy respective voids. Assume all the voids are occupied. If all the atoms along one body diagonal are removed, then the formula of the compound becomes:

Discussion

31.	Which of the compound (s) does not respond for Fehling’s test
Answer» Which of the compound (s) does not respond for Fehling’s test

Discussion

32.	In a skew symmetric matrix, the diagonal elements are all [MP PET 1987]
Answer» In a skew symmetric matrix, the diagonal elements are all [MP PET 1987]

Discussion

33.	Among LiCl,BeCl2,BCl3 and CCl4 the covalent bond character follows the order
Answer» Among $L i C l, B e C l_{2}, B C l_{3}$ and $C C l_{4}$ the covalent bond character follows the order

Discussion

34.	NX is produced by the following step of reactions. M+X2→MX2 3MX2+X2→M3X8 M3X8+N2CO3→NX+CO2+M3O4 How much M (metal) is consumed to produce 206 g of NX? (Take molar mass of M=56,N=23,X=80 g/mol)
Answer» $N X$ is produced by the following step of reactions. $M + X_{2} \to M X_{2}$ $3 M X_{2} + X_{2} \to M_{3} X_{8}$ $M_{3} X_{8} + N_{2} C O_{3} \to N X + C O_{2} + M_{3} O_{4}$ How much $M$ (metal) is consumed to produce $206 g$ of $N X$ ? (Take molar mass of $M = 56, N = 23, X = 80 g/mol$ )

Discussion

35.	Which of the following compounds shows evidence of the strongest hydrogen bonding?
Answer» Which of the following compounds shows evidence of the strongest hydrogen bonding?

Discussion

36.	The correct order of increasing boiling points is:
Answer» The correct order of increasing boiling points is:

Discussion

37.	For gaseous state, if the most probable speed is denoted by C∗, average speed by ¯C and root mean square speed by C, then for a large number of molecules, the ratios of these speeds are
Answer» For gaseous state, if the most probable speed is denoted by $C^{*}$ , average speed by $¯ C$ and root mean square speed by $C$ , then for a large number of molecules, the ratios of these speeds are

Discussion

38.	A and B will be:
Answer» A and B will be:

Discussion

39.	A solution containing 0.8g of glucose in 80g of water has freezing point equal to (Kf of water =1.86K kg mol-1 )
Answer» A solution containing 0.8g of glucose in 80g of water has freezing point equal to (K_f of water =1.86K kg mol^-1)

Discussion

40.	When benzene sulphonic acid and p-nitrophenol is treated with NaHCO3, the gases released respectively are:
Answer» When benzene sulphonic acid and p-nitrophenol is treated with NaHCO₃, the gases released respectively are:

Discussion

41.	2.16 g of a metal oxide on strong heating produced 255 mL of oxygen at STP and the residue obtained was a pure metal. Calculate the equivalent weight of the metal.
Answer» $2.16 g$ of a metal oxide on strong heating produced $255 mL$ of oxygen at STP and the residue obtained was a pure metal. Calculate the equivalent weight of the metal.

Discussion

42.	A positive carbyl amine test is given by 1. N, N - Dimethyl aniline 2. 2,4 - Dimethyl aniline 3. N - Methyl - o - methyl aniline 4. p - Methyl benzyl amine
Answer» A positive carbyl amine test is given by 1. N, N - Dimethyl aniline 2. 2,4 - Dimethyl aniline 3. N - Methyl - o - methyl aniline 4. p - Methyl benzyl amine

42.

A positive carbyl amine test is given by 1. N, N - Dimethyl aniline 2. 2,4 - Dimethyl aniline 3. N - Methyl - o - methyl aniline 4. p - Methyl benzyl amine

Answer»

A positive carbyl amine test is given by

1. N, N - Dimethyl aniline

2. 2,4 - Dimethyl aniline

3. N - Methyl - o - methyl aniline

4. p - Methyl benzyl amine

Discussion

43.	When a pressure is applied over a system of ice ⇌ water, what will happen
Answer» When a pressure is applied over a system of ice $⇌$ water, what will happen

Discussion

44.	Which of the following molecules is coordinatively saturated?
Answer» Which of the following molecules is coordinatively saturated?

Discussion

45.	An organic compound contains 69% carbon and 4.8% hydrogen, the remainder being oxygen. Calculate the masses of carbon dioxide and water produced when 0.20 g of this substance is subjected to complete combustion.
Answer» An organic compound contains 69% carbon and 4.8% hydrogen, the remainder being oxygen. Calculate the masses of carbon dioxide and water produced when 0.20 g of this substance is subjected to complete combustion.

Discussion

46.	Pressure cooker reduces cooking time for food because:
Answer» Pressure cooker reduces cooking time for food because:

Discussion

47.	Which of the following compounds undergoes dehydrochlorination most easily when treated with alcoholic KOH ?
Answer» Which of the following compounds undergoes dehydrochlorination most easily when treated with alcoholic $K O H$ ?

Discussion

48.	(a) Classify following oxides as neutral, acidic, basic or amphoteric: CO,B2O3,SiO2,CO2,Al2O3,PbO2,Tl2O3 (b)Write suitable chemical equations to show their nature.
Answer» (a) Classify following oxides as neutral, acidic, basic or amphoteric: $C O, B_{2} O_{3}, S i O_{2}, C O_{2}, A l_{2} O_{3}, P b O_{2}, T l_{2} O_{3}$ (b)Write suitable chemical equations to show their nature.

48.

(a) Classify following oxides as neutral, acidic, basic or amphoteric: CO,B2O3,SiO2,CO2,Al2O3,PbO2,Tl2O3 (b)Write suitable chemical equations to show their nature.

Answer»

(a) Classify following oxides as neutral, acidic, basic or amphoteric:

$C O, B_{2} O_{3}, S i O_{2}, C O_{2}, A l_{2} O_{3}, P b O_{2}, T l_{2} O_{3}$

(b)Write suitable chemical equations to show their nature.

Discussion

49.	What is the minimum volume of water required to dissolve 1g of calcium sulphate at 298 K? (For calcium sulphate, Ksp is 9.1×10−6).
Answer» What is the minimum volume of water required to dissolve 1g of calcium sulphate at 298 K? (For calcium sulphate, $K_{s p}$ is $9.1 \times 10^{- 6}$ ).

Discussion

50.	The most stable carbanion is:
Answer» The most stable carbanion is:

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Which of the following is true about gaseous state

Which of the following statements are correct about Friedel-crafts reaction?

Write chemical reactions to show the atmospheric nature of water.

For an isolated system, Δ U=0, what will be Δ S?

Aqueous solution of sodium thiosulphate turns milky white on acidification because of

The volume of water to be added to 100 cm3 of 0.5N H2SO4 to get decinormal concentration is

A nucleus at rest splits into two nuclear parts having radii in the ratio 1: 2. Their velocities are in the ratio:

d(ΔG)=−(ΔSreaction).dT ΔG=ΔH−TΔS ΔG=ΔH+T(d(ΔG)dT)P At 300 K,ΔH for the reaction, Zn(S)+2AgCl(S)→ZnCl2(aq)+2Ag(S) is −218 kJ/mol while the e.m.f of the cell is 1.015 V. (dEdT)P of the cell is:

Sodium and oxygen combine to form two compounds of which one is Na2O. The percentage of sodium in the other compound is 59%. Calculate the molecular weight (u) of the compound.

A metal coin is at the bottom of a beaker filled with a liquid to a height of 6 cm. The R.I. of the liquid is 4/3. To an observer looking from above the surface of the liquid, the coin will appear raised up by

The compressibility factors for 1 mole of real gases at low pressure, high pressure and that of gases of very low molar masses are Z1,Z2 and Z3. These are

Two particles move at right angles to each other. Their de-Broglie wavelengths are λ1 and λ2 respectively. The particles suffer perfectly inelastic collision. The de-Broglie wavelength λ, of the final particle, is given by

Which of the following molecules can possess a diad system of tautomerism

The Ksp of Ag2CrO4 is 1.1×10−12 at 298K. The solubility (in mol/L) of Ag2CrO4 in 0.1M AgNO3 solution is:

In which of the following coordination entities, the magnitude of Δ∘ [CFSE in octahedral field] will be maximum?

Out of [CoF6]3− and [Co(en)3]3+, which one complex is: (i) paramagnetic (ii) more stable (iii) inner orbital complex and (iv) high spin complex (Atomic no. of Co = 27)

Which among the following is the right representation for carbon with its atomic and mass number?

Atomic mass of an element is 36, what will be the mass of an unit cell if it crystallizes as face centered cubic unit cell?

Standard enthalpy of combustion of CH4 is −890 kJ mol−1 and standard enthalpy of vaporisation of water is 40.5 kJ mol−1. Calculate the enthalpy change for the reaction : CH4(g)+2O2(g)→CO2(g)+2H2O(g)

Work done by 0.1 mole of a gas at 27∘C to double its volume at constant pressure is (R=2calmol−1C−1)

Find the total number of electrons present in 20 millimoles of K2SO4.

How much energy is needed to raise the temperature of 5 g of ice from −20 oC to 35 oC? (Sice=0.5 cal/g,Lf=80 cal/g,Swater=1 cal/g)

A radioactive element has an atomic mass of 69.3 amu and a half-life of 120400 seconds. The specific activity of the element is y×1015 . What is the value of y?

Condition for maximum yield of C2H5Cl is

Benzamide on treatment with POCl3 gives

Which of the compound (s) does not respond for Fehling’s test

In a skew symmetric matrix, the diagonal elements are all [MP PET 1987]

Among LiCl,BeCl2,BCl3 and CCl4 the covalent bond character follows the order

NX is produced by the following step of reactions. M+X2→MX2 3MX2+X2→M3X8 M3X8+N2CO3→NX+CO2+M3O4 How much M (metal) is consumed to produce 206 g of NX? (Take molar mass of M=56,N=23,X=80 g/mol)

Which of the following compounds shows evidence of the strongest hydrogen bonding?

The correct order of increasing boiling points is:

For gaseous state, if the most probable speed is denoted by C∗, average speed by ¯C and root mean square speed by C, then for a large number of molecules, the ratios of these speeds are

A and B will be:

A solution containing 0.8g of glucose in 80g of water has freezing point equal to (Kf of water =1.86K kg mol-1 )

When benzene sulphonic acid and p-nitrophenol is treated with NaHCO3, the gases released respectively are:

2.16 g of a metal oxide on strong heating produced 255 mL of oxygen at STP and the residue obtained was a pure metal. Calculate the equivalent weight of the metal.

A positive carbyl amine test is given by 1. N, N - Dimethyl aniline 2. 2,4 - Dimethyl aniline 3. N - Methyl - o - methyl aniline 4. p - Methyl benzyl amine

When a pressure is applied over a system of ice ⇌ water, what will happen

Which of the following molecules is coordinatively saturated?

An organic compound contains 69% carbon and 4.8% hydrogen, the remainder being oxygen. Calculate the masses of carbon dioxide and water produced when 0.20 g of this substance is subjected to complete combustion.

Pressure cooker reduces cooking time for food because:

Which of the following compounds undergoes dehydrochlorination most easily when treated with alcoholic KOH ?

(a) Classify following oxides as neutral, acidic, basic or amphoteric: CO,B2O3,SiO2,CO2,Al2O3,PbO2,Tl2O3 (b)Write suitable chemical equations to show their nature.

What is the minimum volume of water required to dissolve 1g of calcium sulphate at 298 K? (For calcium sulphate, Ksp is 9.1×10−6).

The most stable carbanion is: