PUC Science 2nd PUC Class 12 - Karnataka Board PUC Question Bank Solutions for Chemistry

Write the structure of an isomer of compound C₄H₉Br which is most reactive towards S_N1 reaction

In non-ideal solution, what type of deviation shows the formation of maximum boiling azeotropes?

When a coordination compound CoCl₃.6NH₃ is mixed with AgNO₃, 3 moles of AgCl are precipitated per mole of the compound. Write the structural formula of the coordination compound.

Write the major products(s) in the following:

Draw one of the geometrical isomers of the complex [Pt (en)₂Cl₂] ⁺² which is optically inactive

Arrange the following in the increasing order of their boiling points: CH₃CHO, CH₃COOH, CH₃CH₂OH

What is the formula of a compound in which the element Y forms hcp lattice and atoms of X occupy 2/3^rd of tetrahedral voids?

Which would undergo S_N1 reaction faster in the following pair and why?

State Raoult’s law for the solution containing volatile components

Draw the geometrical isomers of complex \[\ce{[Co(en)2Cl2]+}\].

How do you convert the following:

Ethanol to propanenitrile

Write the main products when methyl chloride is treated with AgCN.

 Give reasons for the following:

(CH₃)₃C–O–CH₃ on reaction with HI gives (CH₃)₃C–I and CH₃–OH as the main products and not (CH₃)₃C–OH and CH₃–I.

which poisonous gas is evolved when white phosphorus is heated with conc. NaOH solution? Write the chemical equation involved.

What happens when 

H₃PO₃ is heated ?

Write the reactions involved.

Out of , which is more reactive towards S_N1 reaction and why?

Given reasons: C–Cl bond length in chlorobenzene is shorter than C–Cl bond length in CH₃–Cl.

Draw one of the geometrical isomers of the complex [Pt(en)₂Cl₂]²⁺ which is optically active.

Which would undergo S_N2 reaction faster in the following pair and why ?

What is meant by positive deviations from Raoult's law? Give an example. What is the sign of ∆_mixH for positive deviation?