please answer the 2 questions please 25. Which of the following molecules are constitutional isomers?CH3CH2CH2OHCH3CH(OH)CH3CH3CH2OCH3CH3COCH3IIIIIIVA) I, II, IV B) IІ, І, IV C) І, Ш, IV D) I, II, IШ26. Which of the following compounds has an atom with an unfilled valence shell ofelectrons?А) Н:О В) ВСlз С) СН4 D) CO2

Isomers are the compounds having same molecular formula but having different properties i.e.…

Answered: 5. Which of the following molecules are…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter5: Resonance

Section: Chapter Questions

Problem 6CTQ

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Steroids are another class of important biological molecules with a general substructure that contains three six membered rings fused to one another, ending in a fusion of a five-membered ring. Consider the structure shown below and use to : A.Convert the ring structure to a chair structure B. Identify each ring fusion as cis or trans and explain how you made that determination
there are exactly two isomers of the moloecular C2H4F2. draw both of them.
Draw the 4 skeletal structures of all isomers of C₆H₁₂ that have the (E)-configuration.
There are two compounds of the formula Pt1NH322Cl2:The compound on the right is called cisplatin, and the compoundon the left is called transplatin. (a) Which compoundhas a nonzero dipole moment? (b) One of these compoundsis an anticancer drug, and one is inactive. The anticancerdrug works by its chloride ions undergoing a substitutionreaction with nitrogen atoms in DNA that are close together,forming a N—Pt—N angle of about 90°. Which compoundwould you predict to be the anticancer drug?
For each compound below, decide whether cis and trans isomers are possible. If isomerism is possible, draw the other isomer.
Section 7.3 shows that the compound 2-butene exists intwo isomeric forms, which can be interconverted only bybreaking a bond (in that case, the central double bond).How many possible isomers correspond to each of the following chemical formulas? Remember that a simple rotation of an entire molecule does not give a different isomer.Each molecule contains a central CuC bond.(a) C2H2Br2(b) C2H2BrCl(c) C2HBrClF
The carbon–carbon bond length in C2H2 is 1.20 Å, that inC2H4 is 1.34 Å, and that in C2H6 is 1.53 Å. Near which ofthese values would you predict the bond length of C2 tolie? Is the experimentally observed value, 1.31 Å, consistent with your prediction?
What kind of isomerisation occur in the pairs a-f?
(a) How many π molecular orbitals are present in deca-1,3,5,7,9-pentaene (CH2 = CH – OH = OH – CH = CH – OH = OH – CH = CH2)? (b) How many are bonding MOs and how many are antibonding MOs? (c) How many nodes are present in ψ1? (d) How many nodes are present in ψ10*
2. Draw all the discrete structures that can be obtained for the compound with the formula C3H4Cl2.
fill in the blanks Part a) 1st blank option ( sp, sp2, sp3, unhybridized) 2nd blank option ( linear, trigonal planar, trigonal pyramidal, tetrahedral) part b) 1st blank options ( 0,1,2,3,4,5,6) 2nd blank options ( 0,1,2,3,4,5,6) a) The carbon atoms in CH2=CH2 are best described as having a hybridization of ------ and the molecular geometry about the carbon atoms are best described as ------. b) A carbon atom that is sp2 hybridized will have ----- valence electrons occupying sp2 orbital and -----valence electrons occupying p orbitals.
According to Werner's postulate, the sum of the primary and secondary valences in the compound hexaaminecobalt(III) oxalate is... A. 3 and 2 B. 3 and 6 C. 2 and 3 D. 2 and 6

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