MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The acidic strength of HClO4 is lesser than HClO. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 2. |
Which of the following is the correct order of acidic strength? |
| A. | HClO<sub>4</sub> < HClO<sub>4</sub> < HClO<sub>2</sub> |
| B. | HClO<sub>4</sub> = HClO<sub>3</sub> = HClO<sub>2</sub> |
| C. | HClO<sub>4</sub>> HClO<sub>3</sub> > HClO<sub>2</sub> |
| D. | HClO<sub>2</sub> > HClO<sub>4</sub> > HClO<sub>3</sub> |
| Answer» D. HClO<sub>2</sub> > HClO<sub>4</sub> > HClO<sub>3</sub> | |
| 3. |
Which the following is the correct order of oxidizing power of perhalates? |
| A. | BrO<sub>4</sub><sup> </sup> < IO<sub>4</sub><sup> </sup> < ClO<sub>4</sub><sup> </sup> |
| B. | IO<sub>4</sub><sup> </sup> > BrO<sub>4</sub><sup> </sup> > ClO<sub>4</sub><sup> </sup> |
| C. | IO<sub>4</sub><sup> </sup> < BrO<sub>4</sub><sup> </sup> < ClO<sub>4</sub><sup> </sup> |
| D. | BrO<sub>4</sub><sup> </sup> > IO<sub>4</sub><sup> </sup> > ClO<sub>4</sub><sup> </sup> |
| Answer» E. | |
| 4. |
Which of the following shows the correct sequence of acidic strength? |
| A. | HClO<sub>4</sub> > HBrO<sub>4</sub> > HIO<sub>4</sub> |
| B. | HClO<sub>4</sub> < HBrO<sub>4</sub> < HIO<sub>4</sub> |
| C. | HClO<sub>4</sub> = HBrO<sub>4</sub> > HIO<sub>4</sub> |
| D. | HClO<sub>4</sub> > HIO<sub>4</sub> > HBrO<sub>4</sub> |
| Answer» B. HClO<sub>4</sub> < HBrO<sub>4</sub> < HIO<sub>4</sub> | |
| 5. |
How many bonds does chlorine make with oxygen in perchloric acid? |
| A. | 3 double bonds and a single bond |
| B. | 7 single bonds |
| C. | 2 single bonds and 2 double bonds |
| D. | 3 single bonds and a double bond |
| Answer» B. 7 single bonds | |
| 6. |
What is the bond angle of hypochlorous acid? |
| A. | 108 |
| B. | 108.5 |
| C. | 109 |
| D. | 109.5 |
| Answer» E. | |
| 7. |
Which of the following is a hypohalous acid? |
| A. | HOClO |
| B. | HOBrO<sub>3</sub> |
| C. | HOF |
| D. | HOIO<sub>3</sub> |
| Answer» D. HOIO<sub>3</sub> | |
| 8. |
Which of the following is not an oxoacid of chlorine? |
| A. | HCl |
| B. | HOCl |
| C. | HOClO |
| D. | HOClO<sub>2</sub> |
| Answer» B. HOCl | |
| 9. |
All halogens form only one oxoacid due to their high electronegativity and small size. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Why does fluorine form only one oxoacid? |
| A. | High electronegativity of fluorine |
| B. | Large radius of fluorine |
| C. | Presence of a single valence electron |
| D. | High electropositivity of fluorine |
| Answer» B. Large radius of fluorine | |