Structure of Atoms Class 11th Chemistry Ncert Solutions Chemistry Class 11th

Symbols ₃₅⁷⁹Br and ⁷⁹Br can be written, whereas symbols ₇₉³⁵Br and ³⁵Br are not acceptable. Answer briefly.

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Alok Kumar Singh | Contributor-Level 10

9 months ago

The composition of any atom can be represented by using the normal element symbol (X) with super-script on the left hand side as the atomic mass number (A) and subscript (Z) on the left hand side as the atomic number (i.e., ^A_ZX).

No two elements can have the same atomic number. However, the mass numb

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Find out the number of following orders which are INCORRECT against the mentioned properties:

(i) Ortho hydrogen > Para hydrogen (Stability at low temperature)

(ii) Ethanol > Glycerol (Viscosity)

(iii) D₂ < He (Boiling point)

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(v) H₃BO₃ > BF₃ (Melting point)

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(vii) H₂O₂ > H₂O (Strength of hydrogen bond)

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(7.00)

Consider the following reaction:
(A substituted phenol reacts with H? and CrO?Cl to produce product 'P'.)
The product ‘P’ gives positive acetyl chloride test. This is because of the presence of which of these –OH group(s)?


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The number of radial land angular nodes in 4d orbital are, respectively

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The spin-only magnetic moment value of species is________× 10^-2 BM. (Nearest integer)

[Given:  $\sqrt[]{3} = 1.73]$

Alok Kumar Singh

$B_{2}^{+} \to σ 1 s^{2} s * 1 s^{2} σ 2 s^{2} σ * 2 s^{2} π 2 p^{1}$

Here, number of unpaired electrons, n = 1

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= 173 × 10^-2 B.M

Which of the following relation is not correct?

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Chemistry Ncert Solutions Class 11th 2023

Chemistry Ncert Solutions Class 11th 2023

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