HSC Science (Computer Science) 11th Standard - Maharashtra State Board Question Bank Solutions

Select and write the most appropriate alternatives from the given choices.

Intermolecular forces in liquid are -

Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give IUPAC name of it.

Write the reaction to convert propene to n-propyl alcohol.

Write the reaction to convert propene to isopropyl alcohol.

What is the action of following on but-2-ene?

dil. alkaline KMnO₄

What is the action of following on but-2-ene?

acidic KMnO₄

Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\\phantom{...........................}|\\\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\end{array}\]

1. Write the IUPAC name of the product.
2. State the rule that governs the formation of this product.

Explain the following:

Cooking makes food easy to digest.

Explain the following:

On cutting, some fruits and vegetables turn brown.

Explain the following:

Vitamin E is added to packed edible oil.

Explain the following:

Browning of cut apple can be prolonged by applying lemon juice.

Explain the following:

A diluted solution (4.8% w/v) of 2, 4, 6-trichlorophenol is employed as antiseptic.

Give two differences between Saturated and unsaturated fats.

Give two differences between the Rice flour and cooked rice.

Answer in one sentence.

Who discovered penicillin?

Observe the following conversion.

Is the above reaction is in accordance with the principle of stoichiometry?

Observe the following conversion.

Is the above reaction is in accordance with the principle of stoichiometry?

Answer in one sentence.

Draw the structure of BHT.

What do you understand by antioxidants?

Define the term polarizability