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Q9) Freon is used as .. [ DPMT 1999]




SOLUTION


Answer: (a)


Q10) Which of the following has the strongest bond? [ DEC 2001]




SOLUTION

Due to higher difference in electronegativity bond strength is more
Answer: (a)


Q11) Consider the following reaction :
6NaOH + 3Cl2 → 5NaCl + A + 3H2O
What is the oxidation number of chlorine in 'A'... [ EAMCET 2001]



SOLUTION

The product 'A' in the equation is NaClO3 and the oxidation state of Cl in it is +5
Answer:(a)



Q12) Consider the following reaction
Br2 + 2NaOH(dil.) → Product
The product of the above reactions are [ BVP Pune 2002]



SOLUTION


Answer: (b)


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