Correct Answer:- Option-B
Question39:-In Mossbauer spectroscopy, the main hyperfine interaction/s 15/18
A:-Isomer shift
B:-Quadrupole splitting
C:-Nuclear Zeeman splitting
D:-All
Correct Answer:- Option-D
Question40:-A naturally occurring dye
A:-Indigo
B:-Malachite green
C:-Aniline yellow
D:-Methyl orange
Correct Answer:- Option-A
Question41:-An antimalarial drug 15
A:-Chloramphenicol
B:-Pamagquin
C:-Equanil
D:-Veronal
Correct Answer:- Option-B
Question42:-Heat capacity of species is independent of temperature if it is
A:-Tetratomic
B:-Triatomic
C:-Diatomic
D:-Monatomic
Correct Answer:- Option-D
Question43:-Gold number gives
A:-The number of gold atoms present in 1g of gold
B:-The number of gold atoms required to coagulate 10 of the colloidal solution
C:-The number of gold atoms present in 1g of gold alloy
D:-None of these
Correct Answer:- Option-D
Question44:-Which of the following is incomrect 7
A:-Chemisorption is caused by bond formation
B:-Chemisorption doesnot extend beyond a monolayer
C:-Chemisorption is reversible
D:-Chemisorption increases with increase in temperature
Correct Answer:- Option-C
Question45:-Reversible adiabatic expansion of an ideal gas is an example of
A:-Isoenthalpic process
B:-Isoentropic process
C:-Isothermal process
D:-Isobaric process
Correct Answer:- Option-B
Question46:-Which of the following is a spontaneous process associated with negative entropy change 7
A:-Evaporation of a liquid
B:-Decomposition of 29010 2”
C:-Dissolution of HCI gas in water
D:-Acid-base neutralization reaction
Correct Answer:- Option-C
Question47:-What happens to the equilibrium constant of a reaction if the stochiometric coefficient in the balanced chemical
equation is doubled 7
A:-Twiced
B:-Squared
C:-Halved
D:-No change
Correct Answer:- Option-B
Question48:-The maximum number of phases possessed by an invariant system consisting of three components is
ಹಿ
B:-2