maqsad-logo

Classes


Change the way you learn with Maqsad's classes. Local examples, engaging animations, and instant video solutions keep you on your toes and make learning fun like never before!

Class 9Class 10First YearSecond Year
8. What are the most important secondary bonds present in \mathrm{H}_{2} \mathrm{O} and \mathrm{HF} molecules? How do they affect the physical properties of compound?
8. What are the most important secondary bonds present in  \mathrm{H}_{2} \mathrm{O}  and  \mathrm{HF}  molecules? How do they affect the physical properties of compound?

8. What are the most important secondary bonds present in \mathrm{H}_{2} \mathrm{O} and \mathrm{HF} molecules? How do they affect the physical properties of compound?

Q.11 (a) Explain atomic orbital hybridization with reference to \mathrm{sp}^{3} \mathrm{sp}^{2} and s p modes of hybridizations for \mathrm{PH}_{3} \mathrm{C}_{2} \mathrm{H}_{4} and \mathrm{C}_{2} \mathrm{H}_{2} . Discuss geometries of \mathrm{CCl}_{4} \mathrm{PCl}_{3} and \mathrm{H}_{2} \mathrm{~S} by hybridization of central atoms.
Q.11 (a) Explain atomic orbital hybridization with reference to  \mathrm{sp}^{3} \mathrm{sp}^{2}  and  s p  modes of hybridizations for  \mathrm{PH}_{3} \mathrm{C}_{2} \mathrm{H}_{4}  and  \mathrm{C}_{2} \mathrm{H}_{2} . Discuss geometries of  \mathrm{CCl}_{4} \mathrm{PCl}_{3}  and  \mathrm{H}_{2} \mathrm{~S}  by hybridization of central atoms.

Q.11 (a) Explain atomic orbital hybridization with reference to \mathrm{sp}^{3} \mathrm{sp}^{2} and s p modes of hybridizations for \mathrm{PH}_{3} \mathrm{C}_{2} \mathrm{H}_{4} and \mathrm{C}_{2} \mathrm{H}_{2} . Discuss geometries of \mathrm{CCl}_{4} \mathrm{PCl}_{3} and \mathrm{H}_{2} \mathrm{~S} by hybridization of central atoms.

4. How are electrons arranged in molecular compound? Draw electron dot and cross structures for the following atoms.(f) \mathrm{H}_{2}
4. How are electrons arranged in molecular compound? Draw electron dot and cross structures for the following atoms.(f)  \mathrm{H}_{2}

4. How are electrons arranged in molecular compound? Draw electron dot and cross structures for the following atoms.(f) \mathrm{H}_{2}

Q.14 (a) Define bond energy. Explain the various parameters which determine its strength.
Q.14 (a) Define bond energy. Explain the various parameters which determine its strength.

Q.14 (a) Define bond energy. Explain the various parameters which determine its strength.

(b) How do you compare the bond strengths of:(i) Polar and non-polàr molecules
(b) How do you compare the bond strengths of:(i) Polar and non-polàr molecules

(b) How do you compare the bond strengths of:(i) Polar and non-polàr molecules

32. A chemical bond which is formed by mutual sharing of electrons is called.a) Ionic bondb) Covalent bondc) Metallic bondd) None of these
32. A chemical bond which is formed by mutual sharing of electrons is called.a) Ionic bondb) Covalent bondc) Metallic bondd) None of these

32. A chemical bond which is formed by mutual sharing of electrons is called.a) Ionic bondb) Covalent bondc) Metallic bondd) None of these