Review 2nd Partial M&S

What does Carbon tetravalence mean?

• Carbon has valence electrons

• Carbon always forms 4 bonds with its 4 valence electrons

• Carbon can have up to 4 bonds

In linear formulas, Carbon doesn't have bonds with Hydrogens

• true

• false

• Hydrogens are not represeted but the bonds exist

• There are only Carbons in those formulas

This structure can be classified as?

• open chain, branched, unsaturated, alkene

• open chain, alkene

• linear, open chain, unsaturated

• aliciclyc, branched, unsaturated

This compound can be classified as

• alicyclic, homocyclic, unsaturated, branched

• closed chain, aromatic, linear

• branched, homocyclic, closed

• aromatic, heterocyclic, branched

Carbons that have sp3 hybridization have the following characteristics:

• all single bonds, tetrahedral geometry, 109° angles

• sigma and pi bonds

• sigma bonds, tetrahedral geometry, 120° angles

• 2 pi bonds and 109° angles

How many sigma and pi bonds are present in this molecule?

• 11 sigma and 1 pi

• 10 sigma and 1 pi

• 2 pi and 11 sigma

• 10 sp3 bonds

As a hydrocarbon increases in number of C, the boiling point will tend to:

• increase

• decrease

• stay de same

• have more Hydrogens

Tyrosine is an aminoacid, which functional groups must be present?

• carboxylic acid

• carboxylic acid and amine

• carboxylic acid and amide

• amine and aldehyde (the aldehyde is turned into a carboxylic acid)

A company that produces detergents observed that in the last client solutions panel: customers prefer a wide variety of fruity smells for floor and surfaces detergents. Which of the following companies are they likely to make new business with?

• Wade and Co. Esters

• International Alcohols S.A. de C.V.

• Amines and Amides: your trusted Chemical company

• East Coast Hydrocarbons: the best energy solution for your company

When naming an ester you should always include the position of the -yl (R-O) part of the ester.

• false

• true

• you need to include the oate position as well

• in only needs the position of the oate part