Question 2 :
The ability of rotation of plane polarized light either towards right or left is called as:<br/>
Question 6 :
Arrange followings in correct order of boiling point :-<br>(I) $CH_3-I$<br>(II)$ CH_3-CH_2-I$<br>(III) $CH_3-CH_2-Cl$<br>(IV) $CH_3-CH_2-CH_2-Cl$
Question 9 : <div>Consider the $S_N1$ reaction of tert-butyl chloride with iodide ion:</div><div>$(CH_3)_3C- Cl + I^- \rightarrow (CH_3)_3C-I + Cl^-$<br/>If the concentration of iodide ion is doubled, the rate of forming tert-butyl iodide will:<br/></div>
Question 12 :
Reaction of alkyl halide with metallic sodium in presence of dry ether solution is called:<br/>
Question 13 :
Assertion: $E1cB$ reaction is favoured by stabilisation of carbanion and poor leaving group<br/>Reason: The reaction is kinetically of the second-order and unimolecular<br/>
Question 14 :
Which of the following reaction is used to increase the length of the carbon chain ?
Question 15 :
If the light waves pass through a nicol prism then all the oscillations occur only in one plane such beam of light is called as
Question 17 :
Which of the following reagents, when heated with ethyl chloride, forms ethylene?<br>
Question 18 :
Assertion: $1^o$ allylic halides are more reactive than $1^oRX$ in $S_N1$ reaction<br/>Reason: Allylic carbocation intermediate is stabilised by resonance<br/>
Question 19 :
In general alkyl halides are insolube in water. The main reason is:<br/>
Question 22 :
Alkyl halides are immiscble in water though they are polar because
Question 23 :
The herbicide 2,4-dichlorophenoxyacetic acid, generally called 2,4-D, is synthesized from 2,4-dichlorophenol and chloroacetic acid. The synthesis involves which of these reactions:
Question 24 :
Arrange the following compounds in increasing order of their boiling points.<br>I. ${ CH }_{ 3 }{ CH }_{ 2 }{ CH }_{ 2 }Br$<br>II. ${ CH }_{ 3 }{ CH }_{ 2 }{ CH }_{ 2 }{ CH }_{ 2 }Br$<br>III. ${ \left( { CH }_{ 3 } \right) }_{ 2 }{ CH }{ CH }_{ 2 }Br$<br>IV. ${ \left( { CH }_{ 3 } \right) }_{ 3 }CBr$<span><br></span>
