Related Questions

Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has
A High bond dissociation energy
B Smaller atomic radius
C Stable half filled 2p sub level
D High nuclear charge
In a period from Li to F, ionisation potential
A Cannot be predicted
B Increases
C Decreases
D Remains same
Ionisation potential employed in the industrial electrostatic precipitator is of the order of
A 30 to 70 kV DC
B 30 to 70 kV AC
C 230 V AC
D 230 V DC
Ionisation potential applied across the electrodes of electrostatic tar precipitator is around
A 230 V AC
B 60 KV AC
C 230 V DC
D 60 KV DC
Identify the sentence in which the word element (s) refers to 'suitable or favourable environment. (1) There is an element of truth in your story. (2) Water is composed of elements of hydrogen and oxygen. (3) I feel out of my elements in political discussions. (4) Water is a natural element for fish
A (4)
B (3)
C (1) and (2)
D (1)
The __________ element must reference either an ‘altGlyphDef’ element or a ‘glyph’ element.
A href
B src
C animate
D altGlyph
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)
A A
B N
C A+N
D A-N
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
A Raman spectra
B Absorption spectra
C Emission spectra
D Fluorescence
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to
A $${\text{A}}$$
B $$\frac{{\text{A}}}{2}$$
C $$\frac{{\text{A}}}{{\sqrt 2 }}$$
D $${\text{A}}\sqrt 2 $$
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive

Next steps