The IUPAC name of the above mentioned compound is -
1. 1,2,3-Tricyanopropane
2. Propane-1,2,3-tricarbonitrile
3. 1,2,3-Cyanopropane
4. Propane Tricarbylamine
A pair that represents chain isomer is:
1. CH3CHCl2 and ClCH2CH2Cl
2. Propyl alcohol and Isopropyl alcohol
3. 2-Methylbutane and Neopentane
4. Diethyl ether and Dipropylether
Number of monochlorinated products (excluding stereo-isomers) obtained from the given reaction are :
1. | 4 | 2. | 5 |
3. | 6 | 4. | 7 |
The number of possible isomers of the aromatic compound with molecular formula C7H8O are :
1. 3
2. 5
3. 7
4. 9
Maximum enol content is in
1.
2.
3.
4.
Which of the following is the most stable carbocation
1.
2.
3.
4.
In the following compounds,
The order of basicity is
1. IV>I>III>II
2. III>I>IV>II
3. II>I>III>IV
4. I>III>II>IV
What is the decreasing order of stability of the carbocation ions?
1. I>II>III
2. II>III>I
3. III>I>II
4. II>I>III
The correct order of basicities of the following compounds is:
(1)
(2)
(3)
(4)
1. 2>1>3>4
2. 1>3>2>4
3. 3>1>2>4
4. 1>2>3>4
In pyrrole,
The electron density is maximum on
1. 2 and 3 2. 3 and 4
3. 2 and 4 4. 2 and 5
In Duma's method of estimation of nitrogen, 0.35 g of an organic compound gave 55 ml of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be:
(Aqueous tension at 300 K = 15 mm)
1. 16.45
2. 27.45
3. 44.45
4. 35.45
Total isomers for are-
1. | 4 | 2. | 5 |
3. | 7 | 4. | 8 |
has the configuration
1. R,R
2. S,S
3. R,S
4. May be 1 or 2
Which hydrocarbon is most acidic?
The aromatic compound is
In the above compound, the correct order of hydrogen as is
1. 1>2>3
2. 2>3>1
3. 2>1>3
4. 3>2>1
Consider the following resonating structures of HCOOH
The order of stability is
1. I>II>III>IV
2. IV>I>II>III
3. I>III>II>IV
4. II>I>III>IV
Which compound is most reactive towards electrophilic substitution reaction?
1. Phenol
2. Aniline
3. Methoxy benzene
4. Toulene
The double bond in the above-mentioned compound that accepts proton fastest is:
1. | A | 2. | B |
3. | C | 4. | D |
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