Benzene

Q.

Ring chain isomerism is due to:

1. Difference in the mode of linkage of carbon atoms and the isomers may have open or closed structure.

2. Difference in the nature of the functional groups present is the isomers.

3. The difference in the position of the substituent atom or group or an unsaturated linkage in the same chain.

4. The difference in the nature of the carban chain - straight or branched, which forms the nuclear of the molecule

Q. What type of isomerism is exhibited by 1-Bromopropane and 2-Bromopropane?

1. Positional isomerism
2. Chain isomerism
3. Metamerism
4. Funtional isomerism

Q. 1. How many metamers of formula C4H10are possible?(2) 3(4) 1(3) 4

Q.

Ethyl carbylamine is :

1. CH₃NC

2. CH₃CH₂NC

3. CH₃CH₂CN

4. CH₃CH₂NH₂

Q. Which of the following substituted benzene derivatives would furnish three isomers when one more substitute is introduced?

1. 
2. 
3. 
4. None of the above

Q.

Ring chain isomers have the same degree of unsaturation.True or False?

1. True

2. False

Q. The number of possible structural isomers of the formula C4 H10 O ?? A] four B] six C] seven D] eight

Q. Write IUPAC name of the following:

Q. 49.No of co ordination isomers of [Cr(NH3)6][Co(CN)6] and[Cr(en)3][Co(CN)6] Are?

Q. Arrange the following in the decreasing order of basic strength:
i) $C_6{H}_5{NH}_2$
ii) $C_6{H}_5{NHCH}_3$
iii) $C_6{H}_5{CH}_2{NH}_2$

1. i > ii > iii
2. ii > i > iii
3. iii > i > ii
4. iii > ii > i

Q. 2.How many minimum carbon is required for ring chain isomerism

Q.

Which of the following are ring chain isomers of $C_4{H}_8$?

1. 

2. 

3. 

4. All of the above

Q. Numbers of isomers of C(3)H(6)O(3)

Q. 22.C_8H_{18} compound find (1) chain isomers (2) ring isomers

Q. Which of the following does not contain fused benzene rings?

1. Naphthalene
2. Anthracene
3. Diphenyl
4. $\beta -$Napthol

Q.

The systematic-IUPAC name of the following compound is?

1. isopropyl Benzene

2. None of these

3. 2-Phenylpropane

4. Cumene

Q. 2-Methyl butane on reacting with bromine in the presence of sunlight gives mainly:

1. 2-Bromo-2-methylbutane
2. 1-Bromo-3-methylbutane
3. 1-Bromo-2-methylbutane
4. 2-Bromo-3-methylbutane

Q.

The number of positional isomers of C₅H₁₁ are:

1. 3

2. 4

3. 5

4. 2

Q.

The IUPAC name of the following compound is

1. 2-Bromo-1-phenylethanone

2. Bromoacetophenone

3. 1-Bromophenylethanone

4. 3-Bromo-1-phenylethanone

Q.

Which of the following is non-benzenoid?

1. 

2. 

3. 

4. 

Q. What is the name of the given structure?

1. Benzo
2. Benzal
3. Benzyl
4. None of the above.

Q.

The IUPAC name of the following compound is

1. 3-Hydroxy-5-carboxy-6-bromonitrobenzene

2. 2-Nitro-3-hydroxy-6-carboxybromobenzene

3. 2-Bromo-5-hydroxy-3-nitrobenzoic acid

4. None of these

Q. Secondary prefix for Ketone is Keto or oxo.

1. True
2. False

Q. how many chain isomers are possible for c6h14

Q. The hybridization state of all the carbons in benzene is $s{p}^2$

1. True
2. False

Q.

The chain isomer of cyclobutane is :

1. Methyl cyclopropane

2. 

3. CH₃ - CH = CH - CH₃

4. CH₃ - CH₂ - CH = CH₂

Q. The systematic nomenclature of the following spiro compound is:

1. 7-Methyl spiro [3.4] octane
2. 3-Methyl spiro [3.4] octane
3. 6-Methyl spiro [3.4] octane
4. 2-Methyl spiro [3.4] octane

Q.

Which of the following is non-benzenoid?

1. 

2. 

3. 

4. 

Q.

The IUPAC name of the following compound is:

1. 4-Bromo-3-cyanophenol

2. 2-Bromo-5-hydroxybenzonitrile

3. 6-Bromo-3-hydroxybenzonitrile

4. 2-Cyano-4-hydroxybromobenzene

Q. Which of the following compounds represents 2, 2, 3-trimethyl hexane ?

1. $C{H}_{3}C\left(C{H}_3{)}_{2}C{H}_{2}C{H}_{2}CH\right(C{H}_3{)}_2$
2. $C{H}_{3}C\left(C{H}_3{)}_{2}C{H}_{2}CH\right(CH)C{H}_{2}C{H}_3$
3. $C{H}_{3}C\left(C{H}_3{)}_{2}CH\right(C{H}_3)C{H}_{2}C{H}_{2}C{H}_3$
4. $C{H}_{3}C\left(C{H}_3{)}_{2}C{H}_{2}C\right(C{H}_3{)}_{2}C{H}_3$