Class 12th

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New answer posted

a month ago

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A
alok kumar singh

Contributor-Level 10

EAN = Atomic No. – Oxidation state + 2 * CN

= 26 – 2 + 2 * 6

= 36.

New answer posted

a month ago

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A
alok kumar singh

Contributor-Level 10

HBrO2 has least existence

New answer posted

a month ago

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V
Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

New answer posted

a month ago

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V
Vishal Baghel

Contributor-Level 10

Hydroboration oxidation : The reaction proceeds in an anti Markovnikov manner

=> No rearrangement is possible

New answer posted

a month ago

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V
Vishal Baghel

Contributor-Level 10

Fe3O4 is a ferromagnetic substance

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a month ago

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A
alok kumar singh

Contributor-Level 10

Malachite : CuCO3.Cu (OH)2

Azurite : 2CuCO3.Cu (OH)2

Cuprite : Cu2O

Copper pyrite : Cu2S.Fe2S3.

New answer posted

a month ago

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V
Vishal Baghel

Contributor-Level 10

For BCC unit cell

3 a = 4 r

a = 4 r 3

 

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a month ago

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alok kumar singh

Contributor-Level 10

YA = pa /pa + pb = 400 x ½ / 400 x ½ + 500 x ½ = 4/9

 

New answer posted

a month ago

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alok kumar singh

Contributor-Level 10

Higher the value of (ixM), higher will be the boiling point of solution.

 

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a month ago

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alok kumar singh

Contributor-Level 10

For FCC lattice,

Packing efficiency = π/3√2

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