Question

7. The stability of +1 oxidation state in group-13 increases down the group. Why?
8. Name the allotropic form of carbon whose structure resembles soccer ball.
9. Write the bond line formula for the compound (CH),CHCH-C(CH).
10. Name the organic product obtained when sodium benzoate is heated with sodalime.
PART. B
II. ANSWER ANY FIVE OF THE FOLLOWING. EACH QUESTION CARRIES 2 MARKS 5
11. Calculate the number of gold atoms present in 98.5 g of gold (atomic mass of gold = 1978
12. What will be the minimum pressure required to compress 500dm of ar at lbar to 200din
13. What are the geometrical shapes of BeCl, and CO."
14. What is Plaster of Pan How is it ohtuned
15. Write any two unomulous properties of boron.
16 State Markavnikov s rule
17. Draw els and trans isomer of 1-butente.
18. What happens when calcium carbide is treated with water? Give equation
PART-C
TIL ANSWER ANY FIVE OF THE FOLLOWING. EACH QUESTION CARRIES JMARKS.
Dafina plecimn rain enthalpy. How does it vary along the period?​

Answer 1

Answer:

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