Question:
Match List I with List II
LIST I Elements LIST II Colour imparted to the flame A K 1 Brick Red B Ca 2 Violet C Sr 3 Apple Green D Ba 4 Crimson Red
Choose the correct answer from the options given below:
Match List I with List II
Choose the correct answer from the options given below:
| LIST I Elements | LIST II Colour imparted to the flame | ||
| A | K | 1 | Brick Red |
| B | Ca | 2 | Violet |
| C | Sr | 3 | Apple Green |
| D | Ba | 4 | Crimson Red |
Updated On: Oct 1, 2024
- A-II, B-IV, C-I, D-III
- A-IV, B-III, C-II, D-I
- A-II, B-I, C-III, D-IV
- A-II, B-I, C-IV, D-III
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The Correct Option is D
Solution and Explanation
Correct answer is (d) A-II, B-I, C-IV, D-III
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C. Among the hydrides, \(\text{NH}_3\) is a strong reducing agent while \(\text{BiH}_3\) is a mild reducing agent.
D. The basicity of the hydrides increases in the order \(\text{NH}_3 < \text{PH}_3 < \text{AsH}_3 < \text{SbH}_3 < \text{BiH}_3\)
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Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family