Class 12th

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5 months ago

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alok kumar singh

Contributor-Level 10

The paragraph starts with the cause related to the changes in earth which is stated in the 1st sentence. Second sentence provides a method to understand these changes. 3rd and 4th sentence further support the main cause

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5 months ago

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alok kumar singh

Contributor-Level 10

Reaction of acetone and semicarbazide

 

New answer posted

5 months ago

Most North Americans think minimal about American Indian culture and history. Researchers have concentrated such issues, yet they have not succeeded in broadcasting their decisions generally. Subsequently, it is as yet not generally realized that American Indians have epics, that they performed plays sometime before Europeans showed up, and that they practised politics and carried on the exchange system.

One way to gain a fuller appreciation of this rich culture is to examine American Indian poetry, for poetry is in all cultures the most central and articulate of the arts. It is especially important that we study American Indian poetry

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Payal Gupta

Contributor-Level 10

Other options are misinterpreted facts and lack originality.

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Vishal Baghel

Contributor-Level 10

| 3 1 4 1 2 3 6 5 k | = 0 k = 5

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Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

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5 months ago

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alok kumar singh

Contributor-Level 10

 

Hence, electronic configuration of CO2+ is [ A r ] 3 d 7 4 s 0 . In complex [ C o ( C N ) 6 ] 4 , given ligand CN- is strong hence, after pairing in d-subshell, total number of unpaired electron =

spin magnetic moment = 1 ( 1 + 2 ) = 3 = 1 . 7 3 B M = 1 . 7 3 B M 2 . 0 B M  

             

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5 months ago

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alok kumar singh

Contributor-Level 10

For Ni2+, crystal field CFSE magnitude shows the magnitude of absorbed light. Following are the energy absorbed order

  [ N i C l 4 ] 2 < [ N i ( H 2 O ) ] 2 + < [ N i ( C N ) 4 ] 2

Hence order of colour of compounds are.

[ N i C l 4 ] 2 > [ N i ( H 2 O ) 6 ] 2 + > [ N i ( C N ) 4 ] 2

             

New answer posted

5 months ago

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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

5 months ago

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alok kumar singh

Contributor-Level 10

Both statement are correct for the glass body heating, but reason is not correct explanation during heating process of glass, constituents unit rupture of glass body and gives the edge smoothness.

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