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questions
List of practice Questions
The right to information act came into force from ___________ in India.
Maharashtra Class XII - 2026
Maharashtra Class XII
Political Science
Human Rights in India
In ___________ GATT was replaced by WTO.
Maharashtra Class XII - 2026
Maharashtra Class XII
Political Science
World Trade Organisation (WTO)
A chemical reaction occurs in two steps :
(i) \( NO_2Cl(g) \xrightarrow{\text{slow} NO_2(g) + Cl(g) }\)
(ii) \( NO_2Cl(g) + Cl(g) \xrightarrow{\text{fast}} NO_2(g) + Cl_2(g) \)
(a) Write down the rate law.
(b) Identify the reaction intermediate.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Chemical Kinetics
Convert, ethanoic acid to ethanol.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Aldehydes And Ketones
Explain the mechanism of alkaline hydrolysis of bromomethane.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Halogenated Hydrocarbons
Acetic acid is 5% ionised in its decimolar solution. Calculate the dissociation constant of acetic acid.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Ionic equilibria in solution
Write the name of catalyst used in preparation of HDP.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Polymers
Draw structure of isoprene unit of natural rubber.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Polymers
Calculate effective atomic number of \( Fe^{2+} \) in \( [Fe(CN)_6]^{4-} \) [ Given : (Z = 26) ]
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Coordination Compounds
Draw neat and labelled diagram of lead accumulator.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Electrochemistry
Write two advantages of hydrogen - oxygen fuel cell.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Electrochemistry
Define : Molecularity of reaction
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Chemical Kinetics
State and explain Hess's law of constant heat summation.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Thermodynamics
Define : Schottky defect
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Solid State
Define : Ferromagnetism
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Solid State
Draw the structure of 2, 4 - dinitrophenylhydrazone of acetaldehyde.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Aldehydes And Ketones
The rate of A + B \(\rightarrow\) P is \(3.6 \times 10^{-2}\) mol/\(dm^3\)/s. When [A] = 0.2 M and [B] = 0.1 M. Calculate the rate constant if reaction is first order in B and second order in A.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Chemical Kinetics
Define : Isotonic solution
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Solutions
Write the structure of zwitter ion of sulfanilic acid. Write the reaction between benzene diazonium chloride and phenol in alkaline medium.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Amines
Define : Common ion effect.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Ionic equilibria in solution
Write preparation of glucose from starch.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Biomolecules
The salt of \(Sc^{3+}\) ion is colourless and the salt of \(Mn^{3+}\) ion is coloured. Explain. [Z of Sc = 21 and Z of Mn = 25]
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
d -and f -Block Elements
Write the postulates of Werner's theory of co-ordination complexes.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Coordination Compounds
What is the action of ethane-1, 2 - diol on acetone?
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Aldehydes And Ketones
Write Tollen's reagent test for acetaldehyde.
Maharashtra Class XII - 2026
Maharashtra Class XII
Chemistry
Aldehydes And Ketones
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