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Question 1.
(B) Write the names of the elements with atomic numbers 105, 109, 112, 115 according to IUPAC nomenclature.
Answer: On the basis of IUPAC nomenclature, the names of the elements with atomic
numbers 105, 109, 112, and 115.
Atomic number 105: Dubnium (Db)
Atomic number 109: Meitnerium (Mt)
Atomic number 112: Copernicium (Cn)
Atomic number 115: Moscovium (Mc)
Question 2.
(A) How do metallic and ionic substances differ in conducting electricity?
Question 3.
(B) What must be the value of (Ea) if the rate constant for a reaction is doubled when the Temperature increases from 300K to 310K?
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Question 4.
(b) Calculate the equilibrium constant for the reaction A (g) + B (g) ⇌ C (g) + D (g) If at Equilibrium 1 mol of A, 0.5 mole of B, 3.0 mole of C and 10 mol of D are present in a one Litre vessel.
Question 5.
(B) Describe the electrolytic refining method with labeled diagram of copper metal. Write the name of metal which is settled as anode mud.
Question 6.
(A) Complete the table given blow of the contaminant survey.
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