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
Description : The hyperconjugative stabilities of tert-butyl cation and `2`-butene, respectively, are due to
Last Answer : The hyperconjugative stabilities of tert-butyl cation and `2`-butene, respectively, are due to A ... and `sigma rarrpi^(**)` electron delocalizations
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
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`
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`
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.
Description : (A) Tertiary carbocations are generally formed more easily than primary carbocations. (R) Hyperconjugation as well as inductive effect due to addition
Last Answer : (A) Tertiary carbocations are generally formed more easily than primary carbocations. (R) Hyperconjugation as ... A) is incorrect but (R) is correct.
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)`
Description : Which of the following carbocations is most stable?
Last Answer : Which of the following carbocations is most stable? A. B. C. D.
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`
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
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)`
Description : Hyperconjugation is most useful for stabilizing which of the following carbocations?
Last Answer : Hyperconjugation is most useful for stabilizing which of the following carbocations? A. Neopentyl B. tert-Butyl C. Isopropyl D. Ethyl
Description : Would you consider cosmetic surgery for a relative of yours with Down Syndrome and mongoloid features in order to help them better physically blend in with their peers?
Last Answer : I’m just curious, what’s the problem with mongoloid features?
Description : Content of the program counter is added to the address part of the instruction in order to obtain the effective address is called_______ A. relative address mode. B. index addressing mode. C. register mode. D. implied mode.
Last Answer : A. relative address mode.
Description : What is the purpose of each of the 'signal conditioners' (6000F085 / AH170 / F125) shown in the illustration? EL-0094 A. Convert the varying signal from its particular sensor and deliver a ... the 'setpoint module' in order to keep the pressure or temperature at its sensor at set limits.
Last Answer : Answer: A
Description : The NSC (VIII) can be transferred from one person to another person before expiry of one year a) To near relative out of natural love and affection b) In the name of the heir or a deceased holder on ... to a court of law or any other person under the order of court of law d) All the above
Last Answer : d) All the above
Description : The total permittivity of a dielectric transformer oil (relative permittivity is 2.2) will be (in order 10 -11 ) a) 1.94 b) 19.4 c) 0.194 d) 194
Last Answer : a) 1.94
Description : Which of the following is the correct ranking in decreasing order of relative Boiling Point of carbonyl containing compounds? (a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone ... chloride ~ amide (d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone
Last Answer : primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone
Description : An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will (A) Be more in CSTR than in PFR (B) Be more in PFR than in CSTR (C) Be same in both cases (D) Depend on the temperature
Last Answer : (B) Be more in PFR than in CSTR
Description : Sales objectives for individual salespersons can be stated using several terms. Which of the following would LEAST likely be used for stating an individual salesperson's goal? A)Unit volume sales B) ... Ratio of profits relative to number of sales calls D)Average number of calls per time period
Last Answer : C)Ratio of profits relative to number of sales calls