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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Chemistry (CY)
142. c-c choose the correct relation between (a) = and l,? (b)4> (d) l2 =214 h h choose the correct relation between and l, ? 143. = c c = c h (a) 4 =l2 (b)>la
142. C-C Choose the correct relation between (a) = and l,? (b)4> (d) l2 =214 H H Choose the correct relation between and l, ? 143. = C C = C H (a) 4 =l2 (b)>la (d) = 2
2 Answer(s)
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Dinesh khalmaniya 1
142) if cumulative double bonds are present and number of double bonds are even then is it non planar if number of double bonds are odd then is is planar
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Suman Kumar
Q142 Option A is correct. Q143 Option C is correct.
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Dinesh khalmaniya 1
in 142) there is odd double bonds so it is non planar so both terminal H atoms are at 90° of each other. so you can assume in 3D
ok sir thanks a lot
explanation for 143)?
in 143) odd double bond so it is planar. here same side H(L1) are cis and opposite Hs are trans(L2) so we know trans distance is more than cis
got it??
yes sir got it 👍
really thanks 😊
you welcome 🙏