HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions

Identify the group 14 element that best fits the following description.

Forms strong π bonds.

Give reason.

Ga³⁺ salts are better reducing agents while Tl³⁺ salts are the better oxidizing agent.

Give reason.

PbCl₄ is less stable than PbCl₂.

Give the formula of a compound in which carbon exhibit an oxidation state of +4

Give the formula of a compound in which carbon exhibit an oxidation state of +2

Give the formula of a compound in which carbon exhibit an oxidation state of −4

Explain the trend in the oxidation state of elements from nitrogen to bismuth.

State true or false. Correct the false statement.

The acidic nature of oxides of group 13 increases down the graph.

Which of the following will exhibit geometrical isomerism?

Complete the following reaction sequence:

\[\ce{HC ≡ CH ->[LiNH2] A ->[CH3CH2Cl] B ->[HBr] C}\]

Comment on the acidic nature of B.

Explain the following:

Turmeric powder can be used as an antiseptic.

Identify the functional group in the following molecule:

Aspirin

Identify the functional group in the following molecule:

Paracetamol

Give two differences between the Disinfectant and antiseptic.

Match the pairs.

Name two drugs which reduce body pain.

Explain with an example of Antiseptics.

Explain with an example Disinfectant.

Explain with an example of Cationic detergents.

Explain with an example of Anionic detergents.