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consider the following compounds

hyperconjugation occurs in 
1. I only
2. II only
3. III only
4. I and III

Which one of the following carboxylic acids is most acidic in character?
1.  o-methyl benzoic acid
2.  m-methyl benzoic acid
3.  p-methyl benzoic acid
4.  Benzoic acid

Which among the following carbocations is most stable?
1.                               2.  
3.                         4.   

Consider the following compounds:
                 
Order of basicity of these compounds in decreasing order is:
1.  4>1>2>3
2.  1>3>4>2
3.  2>3>4>1
4.  1>3>2>4

Which one of the following has the highest nucleophilicity?
1.  ${\mathrm{F}}^{-}$
2.  ${\mathrm{OH}}^{-}$
3.  ${\mathrm{CH}}_3^{-}$
4.  ${}_{-}\mathrm{NH}_2$

+R power of the given groups
(1) $—\stackrel{⊝}{\mathrm{O}}$                       (2) $—{\mathrm{NH}}_2$
(3) $—\mathrm{OH}$                     (4) $—{\mathrm{NHCOCH}}_3$
in decreasing order is:
1.  1 > 2 > 3 > 4
2.  4 > 3 > 2 > 1
3.  1 > 3 > 2 > 4
4.  1 > 4 > 3 > 2

For the following reactions:

The correct decreasing order of enthalpy of formation carbocation is:
1.  $∆{\mathrm{H}}_1^{°}>∆{\mathrm{H}}_2^{°}>∆{\mathrm{H}}_3^{°}>∆{\mathrm{H}}_4^{°}$
2.  $∆{\mathrm{H}}_4^{°}>∆{\mathrm{H}}_1^{°}>∆{\mathrm{H}}_2^{°}>∆{\mathrm{H}}_3^{°}$
3.  $∆{\mathrm{H}}_3^{°}>∆{\mathrm{H}}_2^{°}>∆{\mathrm{H}}_1^{°}>∆{\mathrm{H}}_4^{°}$
4.  $∆{\mathrm{H}}_2^{°}>∆{\mathrm{H}}_1^{°}>∆{\mathrm{H}}_4^{°}>∆{\mathrm{H}}_3^{°}$

Decreasing order of heat of hydrogenation?

1. II>III>I
2.I>III>II
3.III>II>I
4.II>I>III

Compare the bond lengths of the indicated bonds in the given compound:

(1) a>b
(2) a<b
(3) a=b
(4) Cannot be predicted

How many double bond equivalents does a compound of molecular formula $C_6{H}_{12}{O}_6$ possess?
(1) 0
(2) 1
(3) 2
(4) 3

For the given compound the correct order of resonance energy is:
(1) III>I>II
(2) II>I>III
(3) I>II>III
(4) III>II>I

Which of the following orders of rotation barrier about the C=C bond, as indicated, is correct?
(1) I>II>III
(2) III>II>I
(3) III>I>II
(4) II>I>III

Total number of $\alpha$-hydrogen is given compound is:

(1) 4
(2) 5
(3) 6
(4) 7

The most reactive amine towards dilute hydrochloric acid is______
(1)
(2)
(3)
(4)