Ncert Solutions Chemistry Class 12th

The conversion of propan-1- ol to n- butylamine involves the sequential addition of reagents. The correct sequential order of reagent is

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Hex-4- ene- 2-ol on treatment with PCC gives 'A' on reaction with sodium hypolodite gives 'B', which on further heating with soda lime gives 'C'. The compound 'C' is

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Given below are two statements.

Statement I : The presence of weaker p-bonds make alkenes less stable than alkanes.

Statement II : The strength of the double bond is greater than that of carbon-carbon single bond.

In the light of the above statements, choose the correct answer from the options given below.

(a) Both Statements I and Statement II are correct.

&nb

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Ncert Solutions Chemistry Class 12th Organic Chemistry - Some Basic Principles and Tech

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Bond is weaker then - $σ$ bond.

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The major product 'A' of the following given reaction has _________ sp² hybridized carbon atoms.

2, 7-Dimethyl 1-2-6- octadiene A

Major Product

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Ncert Solutions Chemistry Class 12th Organic Chemistry - Some Basic Principles and Tech

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Number of sp² hybridized carbon in A = 2

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Number of electrophilic centres in the given compounds is _________.

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Ncert Solutions Chemistry Class 12th Organic Chemistry - Some Basic Principles and Tech

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Kindly consider the following figure

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A 0.166 g sample of an organic compound was digested with conc. H₂SO₄ and then distilled with NaOH. The ammonia gas evolved was passed through 50.0 mL of 0.5 N H₂SO₄. The used acid required 30.0 mL of 0.25 N NaOH for complete neutralization. The mass percentage of nitrogen in the organic compound is ___________.

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Meq of NH₃ = Meq of used H₂SO₄ = Meq of NaOH = 0.25 * 30 = 7.5

Millmoles of N = millimoles of NH₃ = 7.5 (As n factor = 1)

Mass of nitrogen = 7.5 * 14 * 10^-3 = 0.105 gm

% of Nitrogen = $\frac{0.105}{0.166} * 100 % = 63.25 % ~ 63 %$

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The difference in oxidation state of chrominum in chromate and dichromate salts is _________.

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Kindly consider the following figure

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The difference in oxidation state of chrominum in chromate and dichromate salts is _________.

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Transition metal complex with highest value of crystal field splitting $(Δ_{0})$ will be

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The value of crystal field spilitting energy $_{}$ $(Δ_{0})$ increases down the group. 5d series member will have more $_{}$ $Δ_{0}$ compared to 3d series or 4d series member.

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Atoms of element X from hcp lattice and those of element Y occupy $\frac{}{}$ of its tetrahedral voids. The percentage of element X in the lattice is ________. (Nearest integer)

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