Element Properties: Greenish Yellow Gas
This question requires identifying an element based on its described properties at room temperature: being a gas, having a greenish-yellow color, and possessing a specific smell.
Analyzing Element Characteristics
- State: The element is a gas.
- Color: The gas is greenish-yellow.
- Smell: It has a characteristic odor.
- Condition: These properties are observed at room temperature.
Matching Properties to Elements
Let's evaluate the options based on these properties:
- Chlorine (Cl): This element is indeed a greenish-yellow gas at standard temperature and pressure, known for its pungent, characteristic smell.
- Carbon monoxide (CO): This is a colorless and odorless gas.
- Iodine (I): This element is a solid at room temperature, although it can sublime into a purple vapor.
- Hydrogen sulphide (H2S): This is a colorless gas, famous for its strong smell of rotten eggs.
Chlorine perfectly matches the description provided in the question.
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Important Questions from Classification of Elements and Periodicity in Properties
- Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg?
Which one of the following is the most fundamental characteristic is an element?
March List-I with List-II and select the correct answer using the code given below the Lists:
List I
(Element)
List II
(Highest Valency)
A. Sulfur
1. Five
B. Phosphorous
2. Six
C. Lead
3. Two
D. Silver
4. Four
When one strikes a safety match, the first step is
The elements of the groups 3 to 12 are called _______ elements or transition elements.
