MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following oxidation States to group 14 elements exhibit? |
| A. | +1, +5 |
| B. | +5, +2 |
| C. | +2, +4 |
| D. | +3, +5 |
| Answer» D. +3, +5 | |
| 2. |
How many types of oxides do Carbon family form? |
| A. | 9 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» E. | |
| 3. |
The dry ice is _____________ |
| A. | solid carbon dioxide |
| B. | liquid carbon dioxide |
| C. | gaseous carbon dioxide |
| D. | plasma carbon dioxide |
| Answer» B. liquid carbon dioxide | |
| 4. |
Which of the following is called the bitter of tin? |
| A. | SnCl<sub>2</sub>.5HO |
| B. | SnCl<sub>2</sub>.H<sub>2</sub>O |
| C. | SnCl.5H<sub>2</sub>O |
| D. | SnCl<sub>2</sub>.5H<sub>2</sub>O |
| Answer» E. | |
| 5. |
Which of the following is true regarding the thermal stability of halides of Carbon family? |
| A. | CX<sub>4</sub> > Si X<sub>4</sub> > Ge X<sub>4</sub> < Sn X<sub>4</sub> > Pb X<sub>4</sub> |
| B. | CX<sub>4</sub> > Si X<sub>4</sub> > Ge X<sub>4</sub> > Sn X<sub>4</sub> > Pb X<sub>4</sub> |
| C. | CX<sub>4</sub> > Si X<sub>4</sub> > Ge X<sub>4</sub> > Sn X<sub>4</sub> < Pb X<sub>4</sub> |
| D. | CX<sub>4</sub> < Si X<sub>4</sub> > Ge X<sub>4</sub> > Sn X<sub>4</sub> > Pb X<sub>4</sub> |
| Answer» C. CX<sub>4</sub> > Si X<sub>4</sub> > Ge X<sub>4</sub> > Sn X<sub>4</sub> < Pb X<sub>4</sub> | |
| 6. |
Is catenation possible in carbon? |
| A. | Yes |
| B. | Maybe |
| C. | No |
| D. | Cannot say |
| Answer» B. Maybe | |
| 7. |
All the elements in group 14 exhibit tetravalency. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
Do Carbon family elements show multiple bonding? |
| A. | Yes |
| B. | Maybe |
| C. | No |
| D. | Cannot say |
| Answer» B. Maybe | |
| 9. |
What is the fajan s rule about? |
| A. | electronegativity |
| B. | ionic compounds |
| C. | Oxidation State |
| D. | covalent compounds |
| Answer» D. covalent compounds | |
| 10. |
What is the colour of silicon? |
| A. | blue |
| B. | silver |
| C. | black |
| D. | light brown |
| Answer» E. | |
| 11. |
Which of the following group 14 elements is a metal? |
| A. | Stannum |
| B. | Carbon |
| C. | Germanium |
| D. | Silicon |
| Answer» B. Carbon | |
| 12. |
Which of the following elements does not belong to the Carbon family? |
| A. | aluminium |
| B. | silicon |
| C. | plumbum |
| D. | stannum |
| Answer» B. silicon | |
| 13. |
The group 14 elements form _____________ hydrides. |
| A. | metallic |
| B. | ionic |
| C. | covalent |
| D. | both covalent and ionic |
| Answer» D. both covalent and ionic | |
| 14. |
Why hydrides of Germanium are known as _____________ |
| A. | silanes |
| B. | germanes |
| C. | stannum |
| D. | plumbane |
| Answer» C. stannum | |
| 15. |
The ionization enthalpy and density increase in the group from top to bottom. |
| A. | true |
| B. | false |
| Answer» C. | |