New Concepts/Shortcuts 6 Flashcards

1
Q

acidic order of HClO,HClO2,HClO3,HClO4

A
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2
Q

oxidizing power is directly or inversely related to O.S

A

directly

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3
Q

what are the effects of repulsive and attractive forces at boyle’s temperature?

A

at boyle’s temperature the effects of the repulsive and attractive forces offset each other

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4
Q

galvanometer to voltmeter formula

A
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5
Q

how much energy does a single electron of eg orbital have?

A

0.6 delta

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6
Q

multimeter concepts

A
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7
Q

SiO2 reaction with NaOH

A
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8
Q

susceptibility formula

A
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9
Q

hysterisis graph of steel and soft iron core

A
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10
Q

what angle of declination

A
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11
Q

the compass in the horizontal plane directs itself in?

A

Bh cos theta and it is in magnetic meridian

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12
Q
A

4

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13
Q

as the size of halogen increases from Cl to I

the tendency for back donation decreases/increases

A

decreases

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14
Q

charge induced on dielectric formula for charge and surface charge density

A
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14
Q

+4 state of cerium is known in?

A

solution

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15
Q

red light differs from blue light as they have _______ frequencies and ______ wavelengths

A

different,different

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16
Q

why does Mn3+ is oxidising agent whereas Cr2+ is reducing agent where both have d4 config

A

for Cr losing an electron ois much more feasible than gaing one electron

17
Q

which is more stable for cerium? +3 or +4

17
Q

which is more stable for cerium? +3 or +4

18
Q

which kind of geometric isomers is never optical active

A

trans isomers are never optically active

20
Q

preparation of Bakelite process via

A

electrophilic sub and dehydration

21
Q

claisen self condensation occurs only when _____

A

there is an Alpha H

22
Q

terminal alkynes give ammonical Cu2Cl2 test

true or false

23
in compound pendulum | the COM lies on the line of____
hinge
24
displacement current and main current in circuit is same true or false
true
25
intensity formula with speed of light and electric field
26
which kind of solvents support SN1 reaction
protic solvents(H2O,HCOOH)
27
which kind of solvents support SN2 reaction
aprotic solvents(DMSO,DMF)
28
Ag2O with aldehyde
29
accurate reading of resistance in meter bridge is given when _______
the jockey is at the midpoint
30
the value of permittivity of free space
30
electric field due to charged arc
31
electric field due to nonuniform charge distribution
32
self energy of hollow and solif sphere?
33
electrostatic potential due to ring and shell and solid sphere
34
electric field due to dipole at axial point
35
equation of tangents in ellipse in parametric form and slope form and shortcut
36
equation of normal in ellipse in parametric,slope and shortcut
37
equation of tangents of hyperbola