Practice Questions

TLS Online TPP Program

#Question id: 332

The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because_________

#Unit 1. Molecules and their Interaction Relevant to Biology

in NH3 the atomic dipole and bond dipole are in the opposite directions whereas in NF3 these are in the same direction
in NH3 as well as in NF3 the atomic dipole and bond dipole are in the same direction
in NH3 the atomic dipole and bond dipole are in the same direction whereas in NF3 these are in opposite directions
in NH3 as well as NF3 the atomic dipole and bond dipole are in opposite directions

More Questions

TLS Online TPP Program

#Question id: 11483

#Unit 7. System Physiology – Animal

Experiments with genetically altered mice showed that the mice would consume abnormally high amounts of bitter-tasting compounds in water after their ________.

TLS Online TPP Program

#Question id: 11484

#Unit 7. System Physiology – Animal

Two students studying physiology taste a known "bitter" substance, and both report sensing bitterness. They then sample another substance. Student A reports sensing both a bitter taste and a salty taste, but student B reports only a salty taste. What is the most logical explanation?

TLS Online TPP Program

#Question id: 11485

#Unit 7. System Physiology – Animal

In the odorant cells of mammals, specific odorants are detected by binding to _______

TLS Online TPP Program

#Question id: 11486

#Unit 7. System Physiology – Animal

The contraction of skeletal muscles is based on ________

TLS Online TPP Program

#Question id: 21240

#Unit 7. System Physiology – Animal

A visual exam in an 80-year-old man shows he has a reduced ability to see objects in the upper and lower quadrants of the left visual fields of both eyes but some vision remains in the central regions of the visual field. The diagnosis is