Chemistry Question and Answers

1. ln cuprarnmonium sulphate, copper is

COMEDK 2011 Coordination Compounds

2. An electric current is passed through silver and water voltmeters connected in series. The cathode of silver voltmeter weighed 0.054 g more after the electrolysis. The volume of $O_2$ liberated is

COMEDK 2012 Electrochemistry

3. Which one of the following has the highest dipole moment?

NEET 1997 The p-Block Elements - Part2

4. A pure crystalline substance on being heated gradually first forms a turbid liquid at constant temperature and still at higher temperature turbidity completely disappears. The behaviour is a characteristic of substance forming

NEET 1993 States of Matter

5. Crystal field stabilisation energy for high spin $d^4$ octahedral complex is

AIPMT 2010 Coordination Compounds

6. Hesss law states that

KCET 2003 Thermodynamics

7. The substance with the highest calorific value is

AFMC 2009 Chemistry in Everyday Life

8. Glucose gives silver mirror with ammoniacal silver nitrate because it has

Maharashtra CET 2007 Biomolecules

9. Maximum number of electrons in a subshell with 1 = 3 and n = 4 is

AIPMT 2012 Structure of Atom

10. The example of colligative property is

AFMC 1992 Solutions

11. Functionality of protein depends on

Delhi UMET 2008 Biomolecules

12. When same quantity of electricity is passed for half an hour, the amount of Cu and Cr deposited are respectively 0.375 g and 0.30 g. Ratio of electrochemical equivalent of Cu and Cr is

Odisha JEE 2010 Electrochemistry

13. The law of mass action was given by

Madhya Pradesh PMT 1995 Equilibrium

14. Vapour pressure of $CCl_4$ at 25$^\circ$C is 143 mm Hg.0.5 gm of a non-volatile solute (mol weight 65) is dissolved in 100 mL $CCl_4$. Find the vapour pressure of the solution. (Density of $CCl_4 = 1 .58 g/cm^3)$

AIPMT 1996 Solutions

15. Molecular shapes of $SF_4, CF_4, XeF_4$ are

KEAM 2004 Chemical Bonding and Molecular Structure

16. In S$_N$2 reactions, the correct order of reactivity for the following compounds CH$_3CI,CH_3CH_2CI, (CH_3 )_2CHCI$ and (CH$_3 )_3CCI$ is

JEE Main 2014 Haloalkanes and Haloarenes

17. Which one of the following forms an alcohol with nitrous acid?

COMEDK 2008 Amines

18. If same type of atoms are packed in hexagonal close packing and cubic close packing separately, then

COMEDK 2015 The Solid State

19. The product of addition polymerization reaction is

KCET 1993 Polymers

20. Which of the following does not reduce Fehling’s solution?

JIPMER 2011 Aldehydes Ketones and Carboxylic Acids

21. For the reaction, $ I^-+ CIO_3^- + H_2SO_4 \rightarrow Cl^- + HSO_4^- + I_2$
the correct statement(s) in the balanced equation is/are

JEE Advanced 2014 Some Basic Concepts of Chemistry

22. Which of the following is non-existant according to molecular orbital theory ?

AFMC 1993 Chemical Bonding and Molecular Structure

23. In first order reaction, the concentration of reactant decreases from 800 mol $cm^{-3}$ to 50 mol $cm^{-3}$ in $2 \times 10^4 \ s.$ The rate constant is

Haryana PMT 2009 Chemical Kinetics

24. The crystal field stabilisation energy (CFSE) is highest for

Delhi UMET 2009 Coordination Compounds

25. At same temperature, which pair of the following solutions are isotonic solutions ?

Gujarat CET 2006 Solutions

26. $N_2$ and $ O_2 $ are converted into monoanions $N_2 $ and $ O_2$ respectively. Which of the following statements is wrong?

NEET 1997 Chemical Bonding and Molecular Structure

27. The value of Planck's constant is$ 6.63 \times 10^{-34}$ Js. The velocity of light is $3.0 \times 10^8 ms^{-1}$. Which value is closest to the wavelength in nanometers of a quantum of light with frequency of $8 \times 10^{15} s^{-1}?$

AIPMT 2003 Structure of Atom

28. In which of the following molecules/ions $BF_3 , NO_2^-2 , NH_2^- $ and $H_2O$ , the central atom is $sp^2$ hybridised?

AIPMT 2009 Chemical Bonding and Molecular Structure

29. Which one of the following is not a bifunctional compound?

COMEDK 2008 Organic Chemistry – Some Basic Principles and Techniques

30. Tyrosine is a

COMEDK 2010 Biomolecules

Chemistry Questions

1. ln cuprarnmonium sulphate, copper is

2. An electric current is passed through silver and water voltmeters connected in series. The cathode of silver voltmeter weighed 0.054 g more after the electrolysis. The volume of $O_2$ liberated is

3. Which one of the following has the highest dipole moment?

4. A pure crystalline substance on being heated gradually first forms a turbid liquid at constant temperature and still at higher temperature turbidity completely disappears. The behaviour is a characteristic of substance forming

5. Crystal field stabilisation energy for high spin $d^4$ octahedral complex is

6. Hesss law states that

7. The substance with the highest calorific value is

8. Glucose gives silver mirror with ammoniacal silver nitrate because it has

9. Maximum number of electrons in a subshell with 1 = 3 and n = 4 is

10. The example of colligative property is

11. Functionality of protein depends on

12. When same quantity of electricity is passed for half an hour, the amount of Cu and Cr deposited are respectively 0.375 g and 0.30 g. Ratio of electrochemical equivalent of Cu and Cr is

13. The law of mass action was given by

14. Vapour pressure of $CCl_4$ at 25$^\circ$C is 143 mm Hg.0.5 gm of a non-volatile solute (mol weight 65) is dissolved in 100 mL $CCl_4$. Find the vapour pressure of the solution. (Density of $CCl_4 = 1 .58 g/cm^3)$

15. Molecular shapes of $SF_4, CF_4, XeF_4$ are

16. In S$_N$2 reactions, the correct order of reactivity for the following compounds CH$_3CI,CH_3CH_2CI, (CH_3 )_2CHCI$ and (CH$_3 )_3CCI$ is

17. Which one of the following forms an alcohol with nitrous acid?

18. If same type of atoms are packed in hexagonal close packing and cubic close packing separately, then

19. The product of addition polymerization reaction is

20. Which of the following does not reduce Fehling’s solution?

21. For the reaction, $ I^-+ CIO_3^- + H_2SO_4 \rightarrow Cl^- + HSO_4^- + I_2$
the correct statement(s) in the balanced equation is/are

22. Which of the following is non-existant according to molecular orbital theory ?

23. In first order reaction, the concentration of reactant decreases from 800 mol $cm^{-3}$ to 50 mol $cm^{-3}$ in $2 \times 10^4 \ s.$ The rate constant is

24. The crystal field stabilisation energy (CFSE) is highest for

25. At same temperature, which pair of the following solutions are isotonic solutions ?

26. $N_2$ and $ O_2 $ are converted into monoanions $N_2 $ and $ O_2$ respectively. Which of the following statements is wrong?

27. The value of Planck's constant is$ 6.63 \times 10^{-34}$ Js. The velocity of light is $3.0 \times 10^8 ms^{-1}$. Which value is closest to the wavelength in nanometers of a quantum of light with frequency of $8 \times 10^{15} s^{-1}?$

28. In which of the following molecules/ions $BF_3 , NO_2^-2 , NH_2^- $ and $H_2O$ , the central atom is $sp^2$ hybridised?

29. Which one of the following is not a bifunctional compound?

30. Tyrosine is a

Latest Updates

Chemistry Questions

1. ln cuprarnmonium sulphate, copper is

2. An electric current is passed through silver and water voltmeters connected in series. The cathode of silver voltmeter weighed 0.054 g more after the electrolysis. The volume of $O_2$ liberated is

3. Which one of the following has the highest dipole moment?

4. A pure crystalline substance on being heated gradually first forms a turbid liquid at constant temperature and still at higher temperature turbidity completely disappears. The behaviour is a characteristic of substance forming

5. Crystal field stabilisation energy for high spin $d^4$ octahedral complex is

6. Hesss law states that

7. The substance with the highest calorific value is

8. Glucose gives silver mirror with ammoniacal silver nitrate because it has

9. Maximum number of electrons in a subshell with 1 = 3 and n = 4 is

10. The example of colligative property is

11. Functionality of protein depends on

12. When same quantity of electricity is passed for half an hour, the amount of Cu and Cr deposited are respectively 0.375 g and 0.30 g. Ratio of electrochemical equivalent of Cu and Cr is

13. The law of mass action was given by

14. Vapour pressure of $CCl_4$ at 25$^\circ$C is 143 mm Hg.0.5 gm of a non-volatile solute (mol weight 65) is dissolved in 100 mL $CCl_4$. Find the vapour pressure of the solution. (Density of $CCl_4 = 1 .58 g/cm^3)$

15. Molecular shapes of $SF_4, CF_4, XeF_4$ are

16. In S$_N$2 reactions, the correct order of reactivity for the following compounds CH$_3CI,CH_3CH_2CI, (CH_3 )_2CHCI$ and (CH$_3 )_3CCI$ is

17. Which one of the following forms an alcohol with nitrous acid?

18. If same type of atoms are packed in hexagonal close packing and cubic close packing separately, then

19. The product of addition polymerization reaction is

20. Which of the following does not reduce Fehling’s solution?

21. For the reaction, $ I^-+ CIO_3^- + H_2SO_4 \rightarrow Cl^- + HSO_4^- + I_2$ the correct statement(s) in the balanced equation is/are

22. Which of the following is non-existant according to molecular orbital theory ?

23. In first order reaction, the concentration of reactant decreases from 800 mol $cm^{-3}$ to 50 mol $cm^{-3}$ in $2 \times 10^4 \ s.$ The rate constant is

24. The crystal field stabilisation energy (CFSE) is highest for

25. At same temperature, which pair of the following solutions are isotonic solutions ?

26. $N_2$ and $ O_2 $ are converted into monoanions $N_2 $ and $ O_2$ respectively. Which of the following statements is wrong?

27. The value of Planck's constant is$ 6.63 \times 10^{-34}$ Js. The velocity of light is $3.0 \times 10^8 ms^{-1}$. Which value is closest to the wavelength in nanometers of a quantum of light with frequency of $8 \times 10^{15} s^{-1}?$

28. In which of the following molecules/ions $BF_3 , NO_2^-2 , NH_2^- $ and $H_2O$ , the central atom is $sp^2$ hybridised?

29. Which one of the following is not a bifunctional compound?

30. Tyrosine is a

Latest Updates

21. For the reaction, $ I^-+ CIO_3^- + H_2SO_4 \rightarrow Cl^- + HSO_4^- + I_2$
the correct statement(s) in the balanced equation is/are