Calculate the heat of formation of benzene from the following data, assuming no resonance. Bond energies :

C – C = 83 kcal = 140 kcal C – H = 99 kcal

Heat of atomisation of C = 170 .9 kcal

Heat of atomisation of H = 52.1 kcal

TLS Online TPP Program

#Question id: 11646

#XL - T Zoology

Which of the following statements about antidiuretic hormone is true?

TLS Online TPP Program

#Question id: 4959

#XL - S Microbiology

If a fossil is encased in a stratum of sedimentary rock without any strata of igneous rock (e.g., lava, volcanic ash) nearby, then it should be

TLS Online TPP Program

#Question id: 28130

#XL - U Food Technology

Most common germicidal for water treatment is

TLS Online TPP Program

#Question id: 19838

#XL - P Chemistry

The temperature of the system decreases in an

TLS Online TPP Program

#Question id: 8913

#XL - S Microbiology

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?