The ratio between the - - bonds in the monomers of N-Vinylpyrrolidone and perlon-L is-

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Factors Affecting Hydrogen Bonding

The ratio bet...

Question

The ratio between the $π -$ bonds in the monomers of N-Vinylpyrrolidone and perlon-L is:

2 : 1

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1 : 2

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3 : 2

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2 : 3

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l_{1}^{2} + m_{1}^{2} + n_{1}^{2} = 1

l_{1} l_{2} + m_{1} m_{2} + n_{1} n_{2} = 0

Δ = ∣ ∣ ∣ ∣ \begin{matrix} l_{1} & m_{1} & n_{1} l_{2} & m_{2} & n_{2} l_{3} & m_{3} & n_{3} \end{matrix} ∣ ∣ ∣ ∣

Question 18

Out of the following pairs of electrons, identify the pairs of electrons present in degenerate orbitals.

(a) (i) $n = 3, l = 2, m_{l} = - 2, m_{s} = - \frac{1}{2}$ (ii) $n = 3, l = 2, m_{l} = - 1, m_{s} = - \frac{1}{2}$

(b) (i) $n = 3, l = 1, m_{l} = 1, m_{s} = + \frac{1}{2}$ (ii) $n = 3, l = 2, m_{l} = - 1, m_{s} = + \frac{1}{2}$

(d) (i) $n = 3, l = 2, m_{l} = + 2, m_{s} = - \frac{1}{2}$ (ii) $n = 3, l = 2, m_{l} = + 2, m_{s} = + \frac{1}{2}$

The electron identified by quantum number n and l

1. n=4, l=1 2. n=4, l=0

3. n=3, l=2 4. n=3, l=1

Can be placed in the order of increasing energy from the lowest to highest as

A) 4<2<3<1 B) 2<4<1<3

C) 1<3<2<4 D) 3<1<4<2

n = 4, l = 2, m_{1} = - 2, m_{s} = - 1 / 2

n = 3, l = 2, m_{1} = 1, m_{s} = + 1 / 2

n = 4, l = 1, m_{1} = 0, m_{s} = + 1 / 2

n = 3, l = 2, m_{1} = - 2, m_{s} = - 1 / 2

n = 3, l = 1, m_{1} = - 1, m_{s} = + 1 / 2

n = 4, l = 1, m_{1} = 0, m_{s} = + 1 / 2

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