Chemistry

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New answer posted

3 months ago

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alok kumar singh

Contributor-Level 10

Oxide    Nature

CaO                     Basic

B2O3                     Acidic

SiO2                     Acidic

BaO                     Basic

N2O               

...more

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3 months ago

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alok kumar singh

Contributor-Level 10

Species               B.O

Ne2                        0

N2                           3

F2                 1

O2                          2

 

New answer posted

3 months ago

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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

3 months ago

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alok kumar singh

Contributor-Level 10

2, 4-DNP (Brady's Reagent) is used to test carbonyl compound

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alok kumar singh

Contributor-Level 10

(a) Na2CO3 -> Solvay

(b) Ti -> Van-Arkel

(c) Cl2 -> Deacon

(d) NaOH -> Castner – kellner

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3 months ago

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alok kumar singh

Contributor-Level 10

 

It is an intramolecular aldol condensation

 

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alok kumar singh

Contributor-Level 10

A > B > C > D

Lone pair is localized in (A) while all 3 have delocalized lone pair but they can be compared by 3° > 2° > 1° because methyl group increases the basicity.

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3 months ago

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alok kumar singh

Contributor-Level 10

Kindly go through the solution

S > Se > Te > O

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alok kumar singh

Contributor-Level 10

Both (A) and (B) are correct but R is not correct explanation of A. In both oxidation state of metal is +1, also both have similar lattice structure.  

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alok kumar singh

Contributor-Level 10

(a) Sucrose -> a-D glucose and b-D fructose

(b) Lactose -> b-D- galactose and b-D glucose

(c) maltose -> a-D glucose and a-D-glucose

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