Ncert Solutions Chemistry Class 11th
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New answer posted
9 months ago
2CH3OH
HCHO + H2O Contributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(iii) As the unburn carbon left out in this reaction thus it is an incomplete reaction
New answer posted
9 months ago
Contributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(iv) The order of reactivity of β– elimination reaction is 3o>2o>1o
New answer posted
9 months agoContributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(ii) The electronegativity of sp hybridization is higher than that of sp3 hybridization.
The +I effect destabilizes the carbanion.
New answer posted
9 months agoContributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(iii) The addition of alkyl halides to propene depends upon the H-X bond strength i.e. lesser the bond strength higher will be the reactivity of the alkyl halide. As down the group size of the halogens increases thus the bond strength decreases.
New answer posted
9 months ago
Contributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(iv) The two substituents attached to the same C atom of the C=C bond should be different to exhibit geometrical isomerisms.
New answer posted
9 months ago
Contributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(i) The reaction follows Markovnikov's rule leading to giving 2o carbocation as an intermediate.
New answer posted
9 months agoContributor-Level 10
Limitations of Bohr's model of an atom:
(i) It could not explain spectrum of multi-electron atoms.
(ii) It could not explain Zeeman and Stark effects.
(iii) It could not explain shape of molecules.
(iv) It was not in accordance with Heisenberg's uncertainty principle.
Quantum Mechanical Model: It was developed on the basis of Heisenberg's uncertainty principle and dual behaviour of matter.
Main features of this model are given below:
(i) The energy of electrons in an atom is quantized i.e. can only have certain values.
(ii) The existence of quantized electronic energy levels is a direct result of the wave like properties of electro
New answer posted
9 months agoContributor-Level 10
Similarities:
(i) Both have spherical shape.
(ii) Both have same angular momentum.
Differences:
(i) 1s has no node while 2s has one node.
Energy of 2s is greater than that of 1s.
New answer posted
9 months ago
Contributor-Level 10
This is a multiple choice answer as classified in NCERT Exemplar
(i) 3, 6 – Diethyl – 2 – methyl octane
Octane is the longest chain here and the side chain follows the lowest sum rule.
New answer posted
9 months agoContributor-Level 10
Since ordinary white light consists of waves with all the wavelengths in the visible range, a ray of white light is spread out into a series of coloured bands called spectrum. The light of red colour which has the longest wavelength is deviated the least while the violet light, which has the shortest wavelength, is deviated the most.
The spectrum of white light, that we can see, ranges from violet at 7.50 * 1014 Hz to red at
4*1014 Hz. Such a spectrum is called a continuous spectrum (Continuous because violet merges into blue, blue into green and so on). A similar spectrum is produced when a rainbow forms in the sky.
The emission spectra
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