Chemistry:2017:CBSE: [All India]: Set-III
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is an example of benzylic halide
What is the effect of adding a catalyst on
(a) Activation energy (Ea), and
(b) Gibbs energy (ΔG) of a reaction?Marks:1
(i) A catalyst reduces the activation energy (Ea) by providing alternate path for reaction to proceed.
(ii)There will be no effect of catalyst on Gibbs energy (ΔG) of a reaction.
Write the formula of the compound of iodine which is obtained when conc. HNO3 oxidises I2.Marks:1
When conc. HNO3 oxidises I2, Iodic acid is obtained. Its formula is HIO3.
What type of colloid is formed when a gas is dispersed in a liquid? Give an example.Marks:1
Foam is formed when a gas is dispersed in a liquid. E.g., whipped cream, soap lather etc.
Write the IUPAC name of the following compound:Marks:1
IUPAC name of the compound is
Draw the structures of the following:
(a) XeF4 : Square planar
(ii) BrF5, Square pyramidal
Write the name of the cell which is generally used in transistors. Write the reactions taking place at the anode and the cathode of this cell.Marks:2
Dry cell is generally used in transistors.
The reactions taking place at cathode and anode are:
(a) Arrange the following compounds in the increasing order of their acid strength:
p-cresol, p-nitrophenol, phenol
(b) Write the mechanism (using curved arrow notation) of the following reaction:Marks:2
(a) Increasing order of acidity
(b) Mechanism of the reaction is
Write the structures of the products when Butan-2-ol reacts with the following:
Using IUPAC norms write the formulae for the following:
(a) Potassium trioxalatoaluminate(III)