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In the above compound, the correct order of hydrogen as $H^{+}$ is
1. 1 > 2 > 3
2. 2 > 3 > 1
3. 2 > 1 > 3
4. 3 > 2 > 1

The strongest acid is
(1) HCOOH
(2) $C_6{H}_{5}COOH$
(3) $C{H}_3-C{H}_2-COOH$
(4) ${(CH}_{}$₃)2CH-COOH

Which of the following is the strongest base in water?
(1)

(2)

(3)

(4)

Total number of optical isomers obtained after monohalogenation of 3-Methyl pentane are :
1. 2
2. 4
3. 6
4. 8

In  the decreasing order of bond length will be
1. I > II > III
2. II > III > I
3. III > II > I
4. II > I > III

Which alkene has smallest heat of hydrogenation?
(1)

(2)

(3)

(4)

0.5 gm nitrogenous compound is boiled with NaOH then $N{H}_3$ gas is evolved. The evolved $N{H}_3$ is passed into 100 ml N/2 $H_{2}S{O}_4$. The excess acid requires 40 ml 1N NaOH. The % of nitrogen in the compound is
(1) 28
(2) 56
(3) 14
(4) 72

The major product obtained when $B{r}_2/Fe$ is reacted with

(1)

(2) 

(3)

(4)

Total isomers for $C_4{H}_{10}O$ are
1. 4
2. 5
3. 7
4. 8

Which hydrocarbon is most acidic?
(1)

(2) 

(3)

(4) 

The aromatic compound is
(1)

(2)

(3)

(4)

Consider the following carbocations.
I. $\stackrel{\oplus }{C}{H}_2-OH$
II. ${(CH}_{}$₃)3C⊕
III. $\stackrel{\oplus }{C}{H}_2-N{H}_2$
IV. $\stackrel{\oplus }{C}{H}_2-F$
The correct order of stability is
1. II > III > I > IV
2. III > I > II > IV
3. III > I > IV > II
4. II > IV > I > III

in the above compound, at which bond proton ($H^{+}$) attacks fastest?
1. A
2. B
3. C
4. D

The correct order of abstraction of hydrogen towards homolytic fission is
1. 2 > 4 > 3 > 5 > 1
2. 4 > 2 > 5 > 3 > 1
3. 4 > 2 > 3 > 5 > 1
4. 4 > 3 > 2 > 5 > 1

has configuration
 
1. R, R
2. S, S
3. R, S
4. Can’t be predicted