If different carbon atoms are joined together to form open chain of carbon atoms with single bond only in a compound then such compounds are termed as

Options

A. alkenes
B. alkynes
C. ionic molecule
D. alkanes

Answer

To solve the question, we need to identify the type of compound formed when different carbon atoms are joined together in an open chain with only single bonds. Here’s a step-by-step solution:

### Step 1: Understand the Types of Hydrocarbons
Hydrocarbons are classified into two main categories: aliphatic and aromatic. Aliphatic hydrocarbons can be further divided into three types based on the types of bonds between carbon atoms:
- Alkanes: Compounds with only single bonds between carbon atoms.
- Alkenes: Compounds with at least one double bond between carbon atoms.
- Alkynes: Compounds with at least one triple bond between carbon atoms.

### Step 2: Identify the Characteristics of Alkanes
Since the question specifies that the carbon atoms are joined together with single bonds only, we focus on alkanes. Alkanes are saturated hydrocarbons, meaning they contain the maximum number of hydrogen atoms possible for the given number of carbon atoms, and they do not have any double or triple bonds.

### Step 3: Confirm the Open Chain Structure
The question also mentions that the carbon atoms form an open chain. Alkanes can exist as straight-chain or branched-chain structures, but they are always open-chain compounds.

### Step 4: Conclusion
Based on the information given, the compound formed by different carbon atoms joined together in an open chain with only single bonds is termed as **Alkanes**.

### Final Answer
The correct answer is **Alkanes**.

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