Most stable radical is
1.
2.
3.
4.
Which of the following is the most stable carbonium ion?
1.
2.
3.
4.
Which of the following will have minimum C-Cl bond length?
1. CH3-CH2-Cl
2. PhCH2-Cl
3. Ph-Cl
4. CH2=CH-CH2-Cl
The decreasing order of stability is-
1. A > B > C > D
2. D > B > C > A
3. D > C > B > A
4. A > B > D > C
The configuration of given tartaric acid is
1. 2R, 3R 2. 2R, 3S
3. 2S, 3S 4. 2S, 3R
The IUPAC name of the above-mentioned compound is -
1. (N-Bromo)-3-methyl-2-oxobutanamide
2. (N-Bromo)-2-oxo-4-methylbutanamide
3. (N-Bromo)-1,2-dioxo-3-methylbutanamine carboxamide
4. (N-Bromo)-1-oxo-2-methylpropane
Which of the following -bonds participate in hyperconjugation?
1. | I and II | 2. | I and V |
3. | II and IV | 4. | III and IV |
Correct IUPAC name of the compound
1. 4-(Ethyl methanolyonxy)phenylpropanoate
2. Ethyl 4-propanoyloxybenzenecarboxylate
3. 4-(1-Oxo-2-oxabutyl)phenylpropanoate
4. 1-(1-Oxo-2-oxbutyl)-4-(1-oxopropoxy)benzene
Correct IUPAC name of the compound is
(1) 2-Ethyl-3-methylbut-2-ene-1,4-dioic anhydride
(2) 3-Ethyl_2-methylbut-2-enedioic anhydride
(3) 2-Ethyl-3-Methyl-1,4-diketobut-2-enoic anhydride
(4) 2-Ethyl-3-methylcyclopenatanoxy-1,4-dione