HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Chemistry

The pH of 0.001 M HCl solution is ______.

Write the product formed when alkyl halide reacts with silver nitrite.

Write the name of product formed, when acetone is treated with 2, 4-dinitrophenyl hydrazine.

What is the action of selenium on magnesium metal?

Write the name of the alloy used in the Fischer Tropsch process in the synthesis of gasoline.

Explain formation of peptide linkage in protein with an example.

Salts of Ti⁴⁺ are colourless. Give reason.

What is the action of sodium hypoiodite on acetone?

Derive the relationship between pH and pOH.

Calculate spin only magnetic moment of divalent cation of transition metal with atomic number 25.

Neutral solutions have the pH of ______.

Presence of disulphide link gives rise to which structure of protein?

Aluminium crystallises in a cubic close-packed structure with a unit cell edge length of 353.6 pm. What is the radius of Al atom? How many unit cells are there in 1.00 cm³ of Al?

Convert the following.

p-Nitrochlorobenzene to p-nitrophenol

The pH of a weak monoacidic base is 11.2, and its OH^– ion concentration is ______.

The spin only magnetic moment of Mn²⁺ ion is ______.

The product of following reaction is

\[\ce{CH3 - CH = CH - CH2 - CHO ->[i) LiAlH4][ii) H3O+]}\] ______?

Explain the dehydrohalogenation reaction of 2-chlorobutane.

Give the classification of alloys with examples.

Complete the following reaction giving major products.

\[\begin{array}{cc}
\ce{CH3}\phantom{.......}\\
|\phantom{.........}\\
\ce{CH3 - c - CH2 - Cl ->[Na/dry ether]}\\
|\phantom{.........}\\
\ce{CH3}\phantom{.......}
\end{array}\]