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17. The total number of cyclic structural as well as stereo isomers possible for a compound with the molecular formulae C5H10 is
Sol. 7
Below are the cyclic isomers of C5H10
For 3rd structure 2 cis-trans and 1 optical isomer are possible.
Total 7 isomers
18. The total number of a and b particles emitted in the nuclear reaction
238U92 ---> 214Pb82
Sol. 8
Below is the chain of reaction
-2α -2β
92U238 ----------> 80X214 ----------> 82Pb214 (6a, 2b), total 8 particles
19. At 400 K, the root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the most probable speed of gas Y at 60 K. The molecular weight of the gas Y is
Sol. 4
Vrms(X gas)(400 K) = Vmp(Y gas)(60 K) M.Q. (X gas) = 40; M.Q. (Y gas) = x √(3RT1/M1 ) = √(2RT2/M2 ) √((400×3)/40)=√((2×60)/x) 30 = 120/x x = 4.
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IIT JEE 2009 Chemistry Paper2 Code 1 Solutions...
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