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  1. Tardigrade
  2. Question
  3. Chemistry
  4. Arrange the following carbocations according to their stability order (.I.)C6H5 overset+(CH)2(.II.)C6H5(CH)2 overset+(CH)2(.III.)C6H5 overset+CH(CH)3(.IV.)C6H5 overset+C(.(CH)3(.)2

Q. Arrange the following carbocations according to their stability order

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Solution:

Resonance and inductive effect decide stability of carbocations.

∴ Correct order of stability is
(II) <(I) <(III) <(IV)

Questions from NTA Abhyas 2022

1. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

2. A cation is in the centre touches three anions. Assume that the anions also touch each other. The limiting radius ratio, is

3. Blue colour of alkali and alkaline earth metals in liquid is due to

4. Which of the following oxides is strongly basic?

5. In a box hydroiodic acid is taken. After equilibrium the concentration of is found to be . The concentration of at equilibrium in , is

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[Given that molecular mass of NaOH = 40 g mol]

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