Question

13. Assertion: SN 1 reactions of optically active a halldes lead to rac
Reason. SN 1 reactions takes place by the formation of carbocation
14. Assertion: D-(+) Glucose exists in two anomeric forms
Reason: Glucose is optically active
15. Assertion. The geometry of Xef, is octahedral
Reason: Xe is having 8 elecrons in the valence shell
16. Assertion: As the number of moles of dissolved particles increases, the values of colligative
properties increases
Reason: Colligative properties depend upon the nature of solute particles dissolved in the
solution
(OR)
Assertion: When crystals of Na Cl are heated in an atmosphere of sodium vapour, it
develops yellow colour,
Reason:It is a stoichiometric defect.
SECTION B
The following questions, Q.No 17–25 are short answer type and carry 2 marks each.
17.Explain why the boiling points of isomeric haloalkanes decrease with increase in
branching
OR
Write the mechanisam or acid catalysed dehydration of alcohol to
corresponding alkene.
18.For a reaction the rate law expression is represented as follows:
Rate =k [A][B]"
i. Interpret whether the reaction is elementary or complex. Give reason to support
your answer.
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Answer 1

Answer:

BBK and I am going through the same as the other in the office to get the money in and I will pay for my visa soon so I'll be able namaste and I'll pay the rest in half a week so that we could get a better deal for our mortgage application next year for our holiday in January or January next month for our mortgage lender then we have an idea for an hour and two

Explanation:

BBK for our first year in