Delhi - 2017

Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.

Write IUPAC name of the following compound :

(CH₃CH₂)₂NCH₃ -

For a reaction, half-life (t_1/2) is observed to be independent of the initial concentration of reactants. What is the order of reaction

Write the structure of 1-Bromo-4-chlorobut-2-ene.

Write one similarity between Physisorption and Chemisorption.

Complete the following reactions :

(i) NH₃ + 3Cl₂

(ii) XeF₆ + 2H₂O

OR

What happens when

(i) (NH₄)₂Cr₂O₇ is heated?

(ii) H₃PO₃ is heated?

Write the equations.

Define the following terms: (i) colligative properties (ii) molality

Draw the structures of the following :

(i) H₂S₂O₇

(ii) SeF₆

Calculate the degree of dissociation (α) of acetic acid if its molar conductivity (^m) is 39.05 S cm² mol^–1.

Given λ°(H⁺) = 349.6 S cm²mol^–1 and λ°(CH₃COO^–) = 40.9S cm² mol^–1

Write the equations involved in the following reactions:

(i) Wolff-Kishner reduction

(ii) Etard reaction