- He
- Ar
- Rn
- Ne
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- 1°and 2° alcohols
- carboxylic acids and esters
- 2° and 3° alcohols
- aldehyde and ketones
- BTX
- BHT
- BHC
- sodium chloride
- all carbon atoms are sp hybridised
- good conductor of electricity
- it is used lubricant
- C-C bond length is 154 p.m.
- CH3CHBrC2H5
- CH3CHOHC2H5
- CH3CHCNC2H5
- CH3-C-Br2C2H5
- metamerism
- tautomerism
- conformational isomerism
- optical isomerism
- It is equal to the sum of exponents of the molar concentrations of the reactants in the rate equation
- It is always a whole number
- It is never zero
- t can be determined theoretically
- Alkylamines are generally less basic than arylamines because N is sp hybridised
- Arylamines are generally more basic than alkylamines due to aryl group
- Arylamines are generally less basic than alkylamines due to delocalisation of lone pair of electrons in the benzene ring
- Alkylamines are generally less basic than arylamines because lone pair of electrons on N in the arylamines are not delocalised in the benzene ring
- terylene
- nylon
- polyethylene
- all
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