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Classification of Functional Group

Match the fol...

Question

Match the following functional groups with their names:

A

P-1; Q-2; R-3; S-4

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B

P-2; Q-4; R-1; S-3

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C

P-4; Q-2; R-1; S-3

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D

P-3; Q-1; R-3; S-4

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Solution

The correct option is B P-2; Q-4; R-1; S-3
The carboxylic acid group has general structure formula $R - O | | C - O - H$ .
An alkyne is one where there is a triple covalent bond between two carbon atoms.
An ester is an organic compound with general structure formula $R - O | | C - O - R^{'}$ .
A ketone is an organic compound with structural formula $R - O | | C - R^{'}$ .
Here, R = alkyl group.

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Δ = ∣ ∣ ∣ ∣ ∣ \begin{matrix} - b c & b^{2} + b c & c^{2} + b c a^{2} + a c & - a c & c^{2} + a c a^{2} + a b & b^{2} + a b & - a b \end{matrix} ∣ ∣ ∣ ∣ ∣

and the equation

p x^{2} + q x^{2} + r x + s = 0

a, b, c

a, b, c \in R^{+}

Δ = 27

a^{2} + b^{2} + c^{2} = 3,

p, q, r ϵ R^{+}

27 p q r \geq (p + q + r)^{3}

3 p + 4 q + 5 r = 12

p^{3} + q^{4} + r^{5}

ϵ R^{+}

27 p q r

\geq (p + q + r)^{3}

3 p + 4 q + 5 r = 12

p^{3} + q^{4} + r^{5}

Q. Arrange the orbitals of H atom in the increasing order of their energy levels:

{3 p}_{x}, 2 s, {4 d}_{x y}, s, {4 p}_{z}, {3 p}_{y}, 4 s

Q. If r,s are the roots of the equation x²-px+q=0, then what is the equation of the curve whose roots are ([1/r] + s) and ([1/s]+r)?

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