The density of one hydrocarbon at `N.T.P` is `1.964g//`liter. Identify the hydrocarbon.

Explanation

To identify the hydrocarbon with a density of 1.964 g/L at NTP, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Conditions at NTP**:
- NTP (Normal Temperature and Pressure) is defined as 298 K (25°C) and 1 atm pressure.
- At NTP, 1 mole of any ideal gas occupies 22.4 liters.

...