(A) Tertiary carbocations are generally formed more easily than primary carbocations. (R) Hyperconjugation as well as inductive effect due to addition

(A) Tertiary carbocations are generally formed more easily than primary carbocations. (R) Hyperconjugation as well as inductive effect due to addition
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(A) Tertiary carbocations are generally formed more easily than primary carbocations. (R) Hyperconjugation as ... A) is incorrect but (R) is correct.
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The rate of the reaction is influenced by the hyperconjugation effect of group R. If R is sequentially `CH_(3)^(-)` (II) `CH_(3)-CH_(2)` (III) `CH_(3)

Description : The rate of the reaction is influenced by the hyperconjugation effect of group R. If R is sequentially `CH_(3)^(-)` (II) `CH_(3)-CH_(2)` (III) `CH_(3)

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Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product is a secondaryalcoho(c) When a Grignard reagent reacts with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.l

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Last Answer : None of the above are correct.

Ketones react with Grignard reagents to form an addition product which on hydrolysis gives a (a) Primary alcohol (b) Tertiary alcohol (c) Secondary alcohol (d) Ketal

Description : Ketones react with Grignard reagents to form an addition product which on hydrolysis gives a (a) Primary alcohol (b) Tertiary alcohol (c) Secondary alcohol (d) Ketal

Last Answer : Tertiary alcohol

Which of the following compounds will not be easily oxidized? (a) Primary alcohol (b) Secondary alcohol (c) Tertiary alcohol (d) Aldehyde

Description : Which of the following compounds will not be easily oxidized? (a) Primary alcohol (b) Secondary alcohol (c) Tertiary alcohol (d) Aldehyde

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Give any two consequence of hyperconjugation effect?

Description : Give any two consequence of hyperconjugation effect?

Last Answer : Ans: Consequence of hyperconjugation effect:- 1. Shortening of c-c single bond adjacent to multiple bond. 2. Stability of methylated alkenes.

Explain electromeric effect, resonance effect and hyperconjugation.

Description : Explain electromeric effect, resonance effect and hyperconjugation.

Last Answer : Ans: Electromeric effect is defined as the complete transfer of a shared pair of π-electrons to one of the atoms joined by a multiple bond on the demand of an attacking reagent. It ... with the attached unsaturated system or with the unshared p orbital. Hyperconjugation is a permanent effect.

(A) Tertiary butyl carbonion is more stable than methyl carbanion. (R) `+I` effect of the three methyl groups in tertiary butyl carbanion tends to mak

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Harrow is a tillage implement that cuts the soil to shallow depth for smoothening and pulverizing the soil as well as to cut weeds and to mix the materials with the soil. a. Primary. c. Tertiary b. Secondary. d. None

Description : Harrow is a tillage implement that cuts the soil to shallow depth for smoothening and pulverizing the soil as well as to cut weeds and to mix the materials with the soil. a. Primary. c. Tertiary b. Secondary. d. None

Last Answer : Secondary

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Description : Its …….. goal is to meet in said pattern by providing all the necessary data on the energy consumption as well as certain driving factors as identified during preliminary investigation. a. Secondary. c. Primary b. Tertiary. d. None.

Last Answer : primary

92. Its …….. goal is to meet in said pattern by providing all the necessary data on the energy consumption as well as certain driving factors as identified during preliminary investigation. a. Secondary. c. Primary b. Tertiary. d. None

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Last Answer : primary

Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused

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Last Answer : (B) More brittle

(A) Inductive and electromeric effects require polar nature in the molecule. (R) Polar nature in inductive effect is a must but not necessarily in ele

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In addition to natural harbours and a hospitable climate, America was easily accessible because of its: (a) Well developed interior waterways (b) Exclusive Western deserts (c) Well travelled interior routes (d) All of these (e) None of these

Description : In addition to natural harbours and a hospitable climate, America was easily accessible because of its: (a) Well developed interior waterways (b) Exclusive Western deserts (c) Well travelled interior routes (d) All of these (e) None of these

Last Answer : (a) Well developed interior waterways

An AC circuit has a capacitive reactance of 30 ohms in addition to an inductive reactance of 40 ohms connected in series. What is the reactance of the circuit? A. 8.37 ohms B. 10.00 ohms C. 50.00 ohms D. 70.00 ohms

Description : An AC circuit has a capacitive reactance of 30 ohms in addition to an inductive reactance of 40 ohms connected in series. What is the reactance of the circuit? A. 8.37 ohms B. 10.00 ohms C. 50.00 ohms D. 70.00 ohms

Last Answer : Answer: B

Hyperconjugation involves overlap of which of the following orbitals?

Description : Hyperconjugation involves overlap of which of the following orbitals?

Last Answer : Hyperconjugation involves overlap of which of the following orbitals? A. `sigma-sigma` B. `sigma-p` C. `p-p` D. `pi-pi`

Hyperconjugation phenomenon is possible in:

Description : Hyperconjugation phenomenon is possible in:

Last Answer : Hyperconjugation phenomenon is possible in: A. `H_(2)C=CH_(2)` B. `CH_(3)CH_(2)-CH=CH_(2)` C. `C_(6)H_(5)CH=CH_(2)` D. `(CH_(3))_(3)C-CH=CH_(2)`

Aryl halides are less reactive towards nucleophilic substitution as compared to alkyl halides due to (a) Inductive effect (b) Resonance stabilization (c) Tautomerism (d) Stereoisomerism

Description : Aryl halides are less reactive towards nucleophilic substitution as compared to alkyl halides due to (a) Inductive effect (b) Resonance stabilization (c) Tautomerism (d) Stereoisomerism

Last Answer : Resonance stabilization

Pick out the wrong statement. (A) Addition polymers are generally formed by chain growth polymerisation (B) Condensation polymers are generally formed by step growth polymerisation (C) Teflon is formed by step growth polymerisation (D) Bakelite is formed by step growth polymerisation

Description : Pick out the wrong statement. (A) Addition polymers are generally formed by chain growth polymerisation (B) Condensation polymers are generally formed by step growth polymerisation (C) Teflon is formed by step growth polymerisation (D) Bakelite is formed by step growth polymerisation

Last Answer : C) Teflon is formed by step growth polymerisation

Which of the following option is incorrect about the sludges? a) Sludges are soft, loose and slimy precipitate b) They are non-adherent deposits and can be easily removed c) Formed generally at heated portions of the boiler d) Can be removed by blow down operation

Description : Which of the following option is incorrect about the sludges? a) Sludges are soft, loose and slimy precipitate b) They are non-adherent deposits and can be easily removed c) Formed generally at heated portions of the boiler d) Can be removed by blow down operation

Last Answer : c) Formed generally at heated portions of the boiler

Which of the following carbocations will be more stable?

Description : Which of the following carbocations will be more stable?

Last Answer : Which of the following carbocations will be more stable? A. `Ph_(3)C^(+)` B. `CH_(3)-overset(+)CH_(2)` ... (+)CH` D. `CH_(2)=CH-overset(+)CH_(2)`

Which operational mode/s of HDLC support/s the balanced configuration by governing point to point link connectivity in addition to the primary as well as secondary functions performed by the station?a. NRM b. ABM c. Both a & b d. None of the above

Description : Which operational mode/s of HDLC support/s the balanced configuration by governing point to point link connectivity in addition to the primary as well as secondary functions performed by the station? a. NRM b. ABM c. Both a & b d. None of the above

Last Answer : b. ABM

Which one of the following carbocations are most stable?

Description : Which one of the following carbocations are most stable?

Last Answer : Which one of the following carbocations are most stable? A. B. C. D.

Which one of the following carbocations are most stable?

Description : Which one of the following carbocations are most stable?

Last Answer : Which one of the following carbocations are most stable? A. B. C. D.

Relative stabilities of the following carbocations will be in the order:

Description : Relative stabilities of the following carbocations will be in the order:

Last Answer : Relative stabilities of the following carbocations will be in the order: A. I lt II lt III lt IV B. IV lt III ... lt III lt I D. II lt IV lt III lt I

The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset("II")(CH_(3)-CH_(2)-overset(o+)CH_(2))

Description : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset("II")(CH_(3)-CH_(2)-overset(o+)CH_(2))

Last Answer : The order of stability of the following carbocations: `underset("I")(CH_(2)C=CH-overset(o+)CH_(2))" , "underset ... . II gt III gt I D. I gt II gt III

Which of the following carbocations is most stable?

Description : Which of the following carbocations is most stable?

Last Answer : Which of the following carbocations is most stable? A. B. C. D.

Among the following carbocations : (I) `Ph_(2)overset(+)"C"CH_(2)Me (II) PhCH_(2)CH_(2)overset(+)"C"HPh` `"(III) "Ph_(2)CHoverset(+)"C"HMe" (IV) "Ph_(

Description : Among the following carbocations : (I) `Ph_(2)overset(+)"C"CH_(2)Me (II) PhCH_(2)CH_(2)overset(+)"C"HPh` `"(III) "Ph_(2)CHoverset(+)"C"HMe" (IV) "Ph_(

Last Answer : Among the following carbocations : (I) `Ph_(2)overset(+)"C"CH_(2)Me (II) PhCH_(2)CH_( ... B. `IgtIIgtIIIgtIV` C. `IIgtIgtIVgtIII` D. `IgtIVgtIIIgtII`

Consider the following carbocations : (I) `C_(6)H_(5)overset(+)(C )H_(2)` (II) `C_(6)H_(5)CH_(2)overset(+)(C )H_(2)` (III) `C_(6)H_(5)overset(+)(C )HC

Description : Consider the following carbocations : (I) `C_(6)H_(5)overset(+)(C )H_(2)` (II) `C_(6)H_(5)CH_(2)overset(+)(C )H_(2)` (III) `C_(6)H_(5)overset(+)(C )HC

Last Answer : Consider the following carbocations : (I) `C_(6)H_(5)overset(+)(C )H_(2)` (II) `C_(6)H_(5)CH_(2)overset(+ ... lt I lt II lt IV D. IV lt III lt I lt II

Which one of the following carbocations is most stable?

Description : Which one of the following carbocations is most stable?

Last Answer : Which one of the following carbocations is most stable? A. `C_(6)H_(5)-overset(+)CH-C_(6)H_(5)` B. `CH_(3) ... (2)` D. `H_(2)C=CH-overset(+)CH-CH_(3)`

The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_(2)overset(+)CH"(II), "(CH_(3))_(3)C^(+)"(III) "overset(+)CH_(3)"(

Description : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_(2)overset(+)CH"(II), "(CH_(3))_(3)C^(+)"(III) "overset(+)CH_(3)"(

Last Answer : The stability order in the following carbocations, `CH_(3)CH_(2)^(+)"(I), "(CH_(3))_( ... B. `IgtIIgtIIIgtIV` C. `IIIgtIVgtIgtII` D. `IIIgtIIgtIgtIV`

Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_(3))_(3)Coverset(+)CH_(2))", "underset("(II)")((CH_(3))_

Description : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_(3))_(3)Coverset(+)CH_(2))", "underset("(II)")((CH_(3))_

Last Answer : Arrange the following carbocations in order of increasing stability : `{:(underset("(I)")((CH_ ... ` C. `IltIIIltIVltII` D. `IIltIVltIII ltI`

Which of the following correctly reflects relative stabilities of carbocations? (a) 3° allylic > 2° > 1° benzylic (b) methyl > 2° benzylic > 3° (c) 3° benzylic > vinyl > 1°(d) 2° allylic > 2° > vinyl

Description : Which of the following correctly reflects relative stabilities of carbocations? (a) 3° allylic > 2° > 1° benzylic (b) methyl > 2° benzylic > 3° (c) 3° benzylic > vinyl > 1° (d) 2° allylic > 2° > vinyl

Last Answer : (d) 2° allylic > 2° > viny

Why does primary sector continues to be the largest employer in India? (a) Secondary and Tertiary sector are not able to generate comparatively enough employment opportunities despite increase in their production level. (b) It generates more employment opportunities. (c) It exploits natural resources and provides raw material to secondary sector.(d) None of the above

Description : Why does primary sector continues to be the largest employer in India? (a) Secondary and Tertiary sector are not able to generate comparatively enough employment opportunities despite increase in their ... exploits natural resources and provides raw material to secondary sector.(d) None of the above

Last Answer : (a) Secondary and Tertiary sector are not able to generate comparatively enough employment opportunities despite increase in their production level.

Statement-1 : Para chloro phenol is more acidic than para flouro phenol. Statement-2 : negative inductive Effect if flourine is greater than in chlori

Description : Statement-1 : Para chloro phenol is more acidic than para flouro phenol. Statement-2 : negative inductive Effect if flourine is greater than in chlori

Last Answer : Statement-1 : Para chloro phenol is more acidic than para flouro phenol. Statement-2 : negative ... . Statement-1 is false, Statement-2 is true

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Last Answer : there is delocalization of electrons

Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Description : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons

Last Answer : there is delocalization of electrons

6. Do you think the classification of economic activities into primary, secondary and tertiary is useful? Explain how. -Economics 10th

Description : 6. Do you think the classification of economic activities into primary, secondary and tertiary is useful? Explain how. -Economics 10th

Last Answer : The classification of economic activities into primary, secondary and tertiary is useful, as it helps to classify the different occupations that are taken up by the people in the country and how much ... the GDP and which sector has the scope to employ more people and increase the National Income.

Distinguish between primary, secondary and tertiary sector. -SST 10th

Description : Distinguish between primary, secondary and tertiary sector. -SST 10th

Last Answer : Primary Sector (i) It is known as agriculture and allied services sector. (ii) This sector produce goods and services by exploiting natural resources. (iii) This sector is unorganised and use ... communication come in this sector. (v) This sector s sharing in the employment is increasing.

What is meant by a primary consumer, secondary consumer and a tertiary consumer ? -SST 10th

Description : What is meant by a primary consumer, secondary consumer and a tertiary consumer ? -SST 10th

Last Answer : Primary consumer-Primary consumers are living organisms that only eat plants i.e. producers. Herbivores/plant eaters are primary consumers. For example-Goat, Rabbit. Secondary consumer-Secondary ... consumers are large carnivores which feed on small carnivores. For example Owl, lion, etc.

Do you think the classification of economic activities into primary, secondary and tertiary is useful ? -SST 10th

Description : Do you think the classification of economic activities into primary, secondary and tertiary is useful ? -SST 10th

Last Answer : 'Yes in my opinion the classification of economic activities into primary, secondary and tertiary sectors is very useful because classification will help us in identifying which activity ... smoothly and for best administration and development, classification of economic activities is necessary.

Explain the primary, secondary and tertiary sectors by giving examples of each. -SST 10th

Description : Explain the primary, secondary and tertiary sectors by giving examples of each. -SST 10th

Last Answer : Primary Sector :- All those economic activities that are undertaken by directly using natural resources are included in primary sector. For example, mining, forestry, fishing, poultry etc. Secondary sector : ... to the market. That will be done by tertiary sector. It is also called service sector.

“When a country develops, the contribution of primary sector declines and that of secondary and tertiary sector increases.” -SST 10th

Description : “When a country develops, the contribution of primary sector declines and that of secondary and tertiary sector increases.” -SST 10th

Last Answer : (i) In the initial stages of development, the primary sector was the most important sector of economic activity. As the methods of farming changed and agriculture sector began to prosper, ... in terms of total production and employment. This is the general pattern observed in developed countries.

Classify the following alcohols as primary, secondary, or tertiary :

Description : Classify the following alcohols as primary, secondary, or tertiary :

Last Answer : Classify the following alcohols as primary, secondary, or tertiary : A. `(CH_(3))_(3)C CH_(2)OH` B. `CH_(3)CH( ... `(CH_(3))_(2)C(OH)CH_(2)CH_(3)` D.

Give 3 methods to distinguish primary amine from secondary and tertiary.

Description : Give 3 methods to distinguish primary amine from secondary and tertiary.

Last Answer : Give 3 methods to distinguish primary amine from secondary and tertiary.

Which one of the following economic sectors is Laxmi related to? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary

Description : Which one of the following economic sectors is Laxmi related to? (a) Primary (b) Secondary (c) Tertiary (d) Quaternary

Last Answer : Take the case of Laxmi with her two-hectare plot of unirrigated land. The government can spend some ... (b) Secondary (c) Tertiary (d) Quaternary

(i) ……………….. socialization involves intense cultural learning and takes place in childhood.  (Secondary / Primary / Tertiary)

Description : (i) ……………….. socialization involves intense cultural learning and takes place in childhood.  (Secondary / Primary / Tertiary)

Last Answer : Choose the correct alternative and complete the statement : (i) .. socialization involves ... or school. (dependent / formal / egalitarian)

Is a mallard a producer primary consumer secondary consumer or tertiary consumer?

Description : Is a mallard a producer primary consumer secondary consumer or tertiary consumer?

Last Answer : Need answer

In protein structure the α-helix and βpleated sheets are example of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : In protein structure the α-helix and βpleated sheets are example of (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Description : Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Last Answer : Answer : D