HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Question Bank Solutions

What is the product A obtained in the following reaction?

\[\ce{XeF6 + H2O ->[Partial][Hydrolysis] \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]

\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]

Define Lewis bases and Lewis acids with respect to a coordination compound.

______ noble gas does not occur in the atmosphere.

Define the rate of a reaction.

Write the name of reactants used for the preparation of ethyl-tert-butyl ether.

Calculate magnetic moment of a divalent cation of an element for which atomic number is 24.

Name the scientist who coined Green Chemistry concept.

Explain the term instantaneous rate of a reaction.

What is an electrochemical cell? What does it consist of?

What are electrochemical reactions?

Explain factors affecting the rate constant of a chemical reaction.

Explain the classification of alcohol and phenol.

State the functions of RNA and DNA.

______ is a radioactive element in group 16 elements.

Explain the types of electrochemical cells.

Define transition elements.

Name the distinguishing test for differentiating 1° amine from 2° and 3° amine.

For the reaction, \[\ce{3I^-(aq) + S2O^2-_8(aq) -> I^-_3(aq) + 2SO^2-_4(aq)}\]

`(d[SO_4^(2-)])/dt = 2.2 xx 10^(-2)` M/s at a particular time.

Calculate `(a) -(d[I^-])/dt   (b) -(d[S_2O_8^(2-)])/dt   (c) (d[I_3^-])/dt`