Question

Questions 6 to 10 are one word/one sentence answers.
6. State second law of thermodynamics.
7. Oxygen has lower AiH than Fluorine. Why?
8. Benzene is highly unsaturated, but it does not undergo addition reaction
Why?
9. Define Boyle point.
10. Write the electronic configuration of Crion.
Questions 11 to 15 are multiple choice questions:
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11. The largest oxidation number exhibited by an element depends on its outer
electronic configuration. With which of the following outer electronic
configuration the element will exhibit largest oxidation number?
(a) 38'4s? (b) 3d4s
(©) 3d4'
(d) 3d4s
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12. Maximum number of electrons in a subshell of an atom is determined by
which of the following
(a) 21+1 (b) 4 1-2 (c) 2n? (d) 41+2
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13. Boron cannot form which of the following anion?
(a) BF6-(b)BH. (C) B(OH)4 (d) BO,
14. The pH of normal rain water is
(a) 6.5 (b) 7 (c)5.6 (d) 7.5
15. Which of the following property of water can be used to explain the spherical 1
Shape of rain droplets.
(a) viscosity (b) surface tension (c) critical temperature (d) pressure​

Answer 1

Answer:

The pH of normal rain water is 5.6