Name the functional group in the given compound: CH3 CH2 COOH

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Name the functional group in the given compound: CH₃ CH₂ COOH

The functional group present in the given compound is -COOH, i.e. the Carboxylic acid group.

The IUPAC name of the above given compond is Propanoic acid.

The structure of the compound is shown below:

Plot a graph which shows the dependence of current I on potential difference V across a resistor R.

During summer season, a milkman usually adds a very small amount of baking soda to fresh milk. Give one reason.

A person is able to see objects clearly only when these are lying at distances between 50cm and 300cm from his eye.

i. What kind of defects of vision he is suffering from?

ii. What kind of lenses will be required to increase his range of vision from 25cm to infinity? Explain briefly.

Given below is a picture of an ecosystem. Identify any two abiotic components and any two biotic components of this ecosystem.